Base | Representation |
---|---|
bin | 1000100101100… |
… | …00001110000101 |
3 | 12000112020200022 |
4 | 10102300032011 |
5 | 121414244330 |
6 | 11051424525 |
7 | 1533126215 |
oct | 422601605 |
9 | 160466608 |
10 | 72024965 |
11 | 37724471 |
12 | 20155145 |
13 | 11bca42c |
14 | 97cc245 |
15 | 64caae5 |
hex | 44b0385 |
72024965 has 4 divisors (see below), whose sum is σ = 86429964. Its totient is φ = 57619968.
The previous prime is 72024959. The next prime is 72025001. The reversal of 72024965 is 56942027.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 26853124 + 45171841 = 5182^2 + 6721^2 .
It is a cyclic number.
It is not a de Polignac number, because 72024965 - 216 = 71959429 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7202492 + ... + 7202501.
It is an arithmetic number, because the mean of its divisors is an integer number (21607491).
Almost surely, 272024965 is an apocalyptic number.
It is an amenable number.
72024965 is a deficient number, since it is larger than the sum of its proper divisors (14404999).
72024965 is a wasteful number, since it uses less digits than its factorization.
72024965 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14404998.
The product of its (nonzero) digits is 30240, while the sum is 35.
The square root of 72024965 is about 8486.7523234745. The cubic root of 72024965 is about 416.0648417325.
It can be divided in two parts, 7202 and 4965, that added together give a cube (12167 = 233).
The spelling of 72024965 in words is "seventy-two million, twenty-four thousand, nine hundred sixty-five".
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