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157488072 = 2337937429
BaseRepresentation
bin10010110001100…
…01001111001000
3101222100020000120
421120301033020
5310304104242
623343303240
73621424620
oct1130611710
9358306016
10157488072
1180997135
12448aab20
1326821311
1416cb7880
15dc5d1ec
hex96313c8

157488072 has 32 divisors (see below), whose sum is σ = 449966400. Its totient is φ = 44996544.

The previous prime is 157488053. The next prime is 157488103. The reversal of 157488072 is 270884751.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468547 + ... + 468882.

It is an arithmetic number, because the mean of its divisors is an integer number (14061450).

Almost surely, 2157488072 is an apocalyptic number.

157488072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157488072 is an abundant number, since it is smaller than the sum of its proper divisors (292478328).

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

157488072 is a wasteful number, since it uses less digits than its factorization.

157488072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937445 (or 937441 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 42.

The square root of 157488072 is about 12549.4251661182. The cubic root of 157488072 is about 540.0275157447.

The spelling of 157488072 in words is "one hundred fifty-seven million, four hundred eighty-eight thousand, seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 937429 1874858 2812287 3749716 5624574 6562003 7499432 11249148 13124006 19686009 22498296 26248012 39372018 52496024 78744036 157488072