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672942000 = 24353195903
BaseRepresentation
bin101000000111000…
…100011110110000
31201220020222212210
4220013010132300
52334233121000
6150435252120
722450625013
oct5007043660
91656228783
10672942000
11315949315
1216944a040
13a9557543
146553337a
153e12a350
hex281c47b0

672942000 has 160 divisors (see below), whose sum is σ = 2284139520. Its totient is φ = 169977600.

The previous prime is 672941999. The next prime is 672942001. The reversal of 672942000 is 249276.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (672941999) and next prime (672942001).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (672942001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111049 + ... + 116951.

It is an arithmetic number, because the mean of its divisors is an integer number (14275872).

Almost surely, 2672942000 is an apocalyptic number.

672942000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672942000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1142069760).

672942000 is an abundant number, since it is smaller than the sum of its proper divisors (1611197520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672942000 is a wasteful number, since it uses less digits than its factorization.

672942000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5948 (or 5932 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 672942000 is about 25941.1256502103. The cubic root of 672942000 is about 876.3129133781.

The spelling of 672942000 in words is "six hundred seventy-two million, nine hundred forty-two thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 19 20 24 25 30 38 40 48 50 57 60 75 76 80 95 100 114 120 125 150 152 190 200 228 240 250 285 300 304 375 380 400 456 475 500 570 600 750 760 912 950 1000 1140 1200 1425 1500 1520 1900 2000 2280 2375 2850 3000 3800 4560 4750 5700 5903 6000 7125 7600 9500 11400 11806 14250 17709 19000 22800 23612 28500 29515 35418 38000 47224 57000 59030 70836 88545 94448 112157 114000 118060 141672 147575 177090 224314 236120 283344 295150 336471 354180 442725 448628 472240 560785 590300 672942 708360 737875 885450 897256 1121570 1180600 1345884 1416720 1475750 1682355 1770900 1794512 2213625 2243140 2361200 2691768 2803925 2951500 3364710 3541800 4427250 4486280 5383536 5607850 5903000 6729420 7083600 8411775 8854500 8972560 11215700 11806000 13458840 14019625 16823550 17709000 22431400 26917680 28039250 33647100 35418000 42058875 44862800 56078500 67294200 84117750 112157000 134588400 168235500 224314000 336471000 672942000