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137030072 = 2317128759
BaseRepresentation
bin10000010101011…
…10100110111000
3100112211211220212
420022232212320
5240034430242
621333010252
73252510404
oct1012564670
9315754825
10137030072
11703937a3
1239a83988
132250a5aa
14142b0104
15c06b782
hex82ae9b8

137030072 has 8 divisors (see below), whose sum is σ = 256931400. Its totient is φ = 68515032.

The previous prime is 137030059. The next prime is 137030083. The reversal of 137030072 is 270030731.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8564372 + ... + 8564387.

It is an arithmetic number, because the mean of its divisors is an integer number (32116425).

Almost surely, 2137030072 is an apocalyptic number.

It is an amenable number.

137030072 is a deficient number, since it is larger than the sum of its proper divisors (119901328).

137030072 is a wasteful number, since it uses less digits than its factorization.

137030072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17128765 (or 17128761 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 137030072 is about 11705.9844524072. The cubic root of 137030072 is about 515.5513898324.

The spelling of 137030072 in words is "one hundred thirty-seven million, thirty thousand, seventy-two".

Divisors: 1 2 4 8 17128759 34257518 68515036 137030072