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73125157 = 7109239401
BaseRepresentation
bin1000101101111…
…00110100100101
312002121010212011
410112330310211
5122210001112
611131154221
71545360610
oct426746445
9162533764
1073125157
1138306016
12205a5971
13121c4131
1499d7177
156646aa7
hex45bcd25

73125157 has 16 divisors (see below), whose sum is σ = 84902400. Its totient is φ = 61689600.

The previous prime is 73125149. The next prime is 73125161. The reversal of 73125157 is 75152137.

It is not a de Polignac number, because 73125157 - 23 = 73125149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73125127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182157 + ... + 182557.

It is an arithmetic number, because the mean of its divisors is an integer number (5306400).

Almost surely, 273125157 is an apocalyptic number.

It is an amenable number.

73125157 is a deficient number, since it is larger than the sum of its proper divisors (11777243).

73125157 is a wasteful number, since it uses less digits than its factorization.

73125157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756.

The product of its digits is 7350, while the sum is 31.

The square root of 73125157 is about 8551.3248681125. The cubic root of 73125157 is about 418.1726296414.

The spelling of 73125157 in words is "seventy-three million, one hundred twenty-five thousand, one hundred fifty-seven".

Divisors: 1 7 109 239 401 763 1673 2807 26051 43709 95839 182357 305963 670873 10446451 73125157