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42670080 = 211325463
BaseRepresentation
bin1010001011000…
…1100000000000
32222021212100100
42202301200000
541410420310
64122322400
71025455365
oct242614000
988255310
1042670080
11220a4732
1212359400
138abcc8b
14594a46c
153b2cec0
hex28b1800

42670080 has 144 divisors (see below), whose sum is σ = 148206240. Its totient is φ = 11354112.

The previous prime is 42670079. The next prime is 42670091. The reversal of 42670080 is 8007624.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91929 + ... + 92391.

It is an arithmetic number, because the mean of its divisors is an integer number (1029210).

Almost surely, 242670080 is an apocalyptic number.

42670080 is a gapful number since it is divisible by the number (40) 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 42670080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74103120).

42670080 is an abundant number, since it is smaller than the sum of its proper divisors (105536160).

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

42670080 is a wasteful number, since it uses less digits than its factorization.

42670080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 42670080 is about 6532.2339211023. The cubic root of 42670080 is about 349.4415038377.

The spelling of 42670080 in words is "forty-two million, six hundred seventy thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 256 288 320 360 384 463 480 512 576 640 720 768 926 960 1024 1152 1280 1389 1440 1536 1852 1920 2048 2304 2315 2560 2778 2880 3072 3704 3840 4167 4608 4630 5120 5556 5760 6144 6945 7408 7680 8334 9216 9260 10240 11112 11520 13890 14816 15360 16668 18432 18520 20835 22224 23040 27780 29632 30720 33336 37040 41670 44448 46080 55560 59264 66672 74080 83340 88896 92160 111120 118528 133344 148160 166680 177792 222240 237056 266688 296320 333360 355584 444480 474112 533376 592640 666720 711168 888960 948224 1066752 1185280 1333440 1422336 1777920 2133504 2370560 2666880 2844672 3555840 4267008 4741120 5333760 7111680 8534016 10667520 14223360 21335040 42670080