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137472230 = 2571963889
BaseRepresentation
bin10000011000110…
…10100011100110
3100120200022110002
420030122203212
5240143102410
621350301302
73256331450
oct1014324346
9316608402
10137472230
1170665a15
123a057832
132263391c
14143872d0
15c1077a5
hex831a8e6

137472230 has 16 divisors (see below), whose sum is σ = 282800160. Its totient is φ = 47133312.

The previous prime is 137472199. The next prime is 137472233. The reversal of 137472230 is 32274731.

It is a super-2 number, since 2×1374722302 = 37797228042345800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 137472193 and 137472202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137472233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981875 + ... + 982014.

It is an arithmetic number, because the mean of its divisors is an integer number (17675010).

Almost surely, 2137472230 is an apocalyptic number.

137472230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137472230 is an abundant number, since it is smaller than the sum of its proper divisors (145327930).

137472230 is a wasteful number, since it uses less digits than its factorization.

137472230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963903.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 137472230 is about 11724.8552229868. The cubic root of 137472230 is about 516.1053082144.

The spelling of 137472230 in words is "one hundred thirty-seven million, four hundred seventy-two thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 1963889 3927778 9819445 13747223 19638890 27494446 68736115 137472230