Base | Representation |
---|---|
bin | 1101101100110… |
… | …0110011010100 |
3 | 11000010101000012 |
4 | 3123030303110 |
5 | 104202240342 |
6 | 5411335352 |
7 | 1265263421 |
oct | 333146324 |
9 | 130111005 |
10 | 57461972 |
11 | 2a488037 |
12 | 172b1558 |
13 | bb9b989 |
14 | 78bad48 |
15 | 50a0b82 |
hex | 36cccd4 |
57461972 has 24 divisors (see below), whose sum is σ = 109912320. Its totient is φ = 26167680.
The previous prime is 57461959. The next prime is 57461977. The reversal of 57461972 is 27916475.
It is a super-2 number, since 2×574619722 = 6603756452257568, which contains 22 as substring.
It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57461977) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11522 + ... + 15737.
It is an arithmetic number, because the mean of its divisors is an integer number (4579680).
Almost surely, 257461972 is an apocalyptic number.
It is an amenable number.
57461972 is a deficient number, since it is larger than the sum of its proper divisors (52450348).
57461972 is a wasteful number, since it uses less digits than its factorization.
57461972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27311 (or 27309 counting only the distinct ones).
The product of its digits is 105840, while the sum is 41.
The square root of 57461972 is about 7580.3675372636. The cubic root of 57461972 is about 385.8870243078.
The spelling of 57461972 in words is "fifty-seven million, four hundred sixty-one thousand, nine hundred seventy-two".
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