Base | Representation |
---|---|
bin | 1000101011111… |
… | …11100111011101 |
3 | 12002010101222010 |
4 | 10111333213131 |
5 | 122123440321 |
6 | 11121541433 |
7 | 1543264662 |
oct | 425774735 |
9 | 162111863 |
10 | 72874461 |
11 | 38154730 |
12 | 204a4879 |
13 | 12136caa |
14 | 996da69 |
15 | 65e7676 |
hex | 457f9dd |
72874461 has 16 divisors (see below), whose sum is σ = 112235328. Its totient is φ = 41568000.
The previous prime is 72874447. The next prime is 72874469. The reversal of 72874461 is 16447827.
It is not a de Polignac number, because 72874461 - 214 = 72858077 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72874469) 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, 64390 + ... + 65511.
It is an arithmetic number, because the mean of its divisors is an integer number (7014708).
Almost surely, 272874461 is an apocalyptic number.
It is an amenable number.
72874461 is a deficient number, since it is larger than the sum of its proper divisors (39360867).
72874461 is a wasteful number, since it uses less digits than its factorization.
72874461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129932.
The product of its digits is 75264, while the sum is 39.
The square root of 72874461 is about 8536.6539697940. The cubic root of 72874461 is about 417.6942068018.
The spelling of 72874461 in words is "seventy-two million, eight hundred seventy-four thousand, four hundred sixty-one".
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