Base | Representation |
---|---|
bin | 1101101000101… |
… | …1011110111111 |
3 | 10222121210000021 |
4 | 3122023132333 |
5 | 104120210211 |
6 | 5401513011 |
7 | 1263100420 |
oct | 332133677 |
9 | 128553007 |
10 | 57194431 |
11 | 2a315028 |
12 | 171a2767 |
13 | bb06c78 |
14 | 784b647 |
15 | 504b771 |
hex | 368b7bf |
57194431 has 8 divisors (see below), whose sum is σ = 65486880. Its totient is φ = 48932448.
The previous prime is 57194363. The next prime is 57194437. The reversal of 57194431 is 13449175.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 57194431 - 211 = 57192383 is a prime.
It is a super-2 number, since 2×571944312 = 6542405874827522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57194437) 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, 3436 + ... + 11233.
It is an arithmetic number, because the mean of its divisors is an integer number (8185860).
Almost surely, 257194431 is an apocalyptic number.
57194431 is a deficient number, since it is larger than the sum of its proper divisors (8292449).
57194431 is a wasteful number, since it uses less digits than its factorization.
57194431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15233.
The product of its digits is 15120, while the sum is 34.
The square root of 57194431 is about 7562.6999808270. The cubic root of 57194431 is about 385.2872001066.
The spelling of 57194431 in words is "fifty-seven million, one hundred ninety-four thousand, four hundred thirty-one".
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