Base | Representation |
---|---|
bin | 1000101100101… |
… | …01001101101011 |
3 | 12002021220022111 |
4 | 10112111031223 |
5 | 122134303143 |
6 | 11123503151 |
7 | 1544113615 |
oct | 426251553 |
9 | 162256274 |
10 | 72962923 |
11 | 38205140 |
12 | 20527ab7 |
13 | 12168337 |
14 | 9993db5 |
15 | 661399d |
hex | 459536b |
72962923 has 16 divisors (see below), whose sum is σ = 83586816. Its totient is φ = 63041440.
The previous prime is 72962917. The next prime is 72962947. The reversal of 72962923 is 32926927.
It is not a de Polignac number, because 72962923 - 25 = 72962891 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (72962023) 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, 42936 + ... + 44602.
It is an arithmetic number, because the mean of its divisors is an integer number (5224176).
Almost surely, 272962923 is an apocalyptic number.
72962923 is a deficient number, since it is larger than the sum of its proper divisors (10623893).
72962923 is a wasteful number, since it uses less digits than its factorization.
72962923 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1874.
The product of its digits is 81648, while the sum is 40.
The square root of 72962923 is about 8541.8337024318. The cubic root of 72962923 is about 417.8631508704.
The spelling of 72962923 in words is "seventy-two million, nine hundred sixty-two thousand, nine hundred twenty-three".
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