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149374800 = 24335213831
BaseRepresentation
bin10001110011101…
…00011101010000
3101102002000201000
420321310131100
5301214443200
622453342000
73462444021
oct1071643520
9342060630
10149374800
1177355553
1242037900
1324c40473
1415ba4c48
15d1a9300
hex8e74750

149374800 has 120 divisors (see below), whose sum is σ = 531702080. Its totient is φ = 39830400.

The previous prime is 149374781. The next prime is 149374807. The reversal of 149374800 is 8473941.

It is a happy number.

149374800 is a `hidden beast` number, since 149 + 37 + 480 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149374807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3885 + ... + 17715.

Almost surely, 2149374800 is an apocalyptic number.

149374800 is a gapful number since it is divisible by the number (10) 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 149374800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265851040).

149374800 is an abundant number, since it is smaller than the sum of its proper divisors (382327280).

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

149374800 is a wasteful number, since it uses less digits than its factorization.

149374800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13858 (or 13841 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 149374800 is about 12221.8983795481. The cubic root of 149374800 is about 530.5900631270.

The spelling of 149374800 in words is "one hundred forty-nine million, three hundred seventy-four thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 36 40 45 48 50 54 60 72 75 80 90 100 108 120 135 144 150 180 200 216 225 240 270 300 360 400 432 450 540 600 675 720 900 1080 1200 1350 1800 2160 2700 3600 5400 10800 13831 27662 41493 55324 69155 82986 110648 124479 138310 165972 207465 221296 248958 276620 331944 345775 373437 414930 497916 553240 622395 663888 691550 746874 829860 995832 1037325 1106480 1244790 1383100 1493748 1659720 1867185 1991664 2074650 2489580 2766200 2987496 3111975 3319440 3734370 4149300 4979160 5532400 5974992 6223950 7468740 8298600 9335925 9958320 12447900 14937480 16597200 18671850 24895800 29874960 37343700 49791600 74687400 149374800