Base | Representation |
---|---|
bin | 1101110000001… |
… | …0010111111001 |
3 | 11000112112000012 |
4 | 3130002113321 |
5 | 104231301101 |
6 | 5420151305 |
7 | 1300166231 |
oct | 334022771 |
9 | 130475005 |
10 | 57681401 |
11 | 2a617988 |
12 | 17398535 |
13 | bc4780b |
14 | 7936cc1 |
15 | 50e5bbb |
hex | 37025f9 |
57681401 has 8 divisors (see below), whose sum is σ = 60419520. Its totient is φ = 54962512.
The previous prime is 57681373. The next prime is 57681413. The reversal of 57681401 is 10418675.
It is a happy number.
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 57681401 - 214 = 57665017 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57681101) 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, 1526 + ... + 10848.
It is an arithmetic number, because the mean of its divisors is an integer number (7552440).
Almost surely, 257681401 is an apocalyptic number.
It is an amenable number.
57681401 is a deficient number, since it is larger than the sum of its proper divisors (2738119).
57681401 is a wasteful number, since it uses less digits than its factorization.
57681401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9615.
The product of its (nonzero) digits is 6720, while the sum is 32.
The square root of 57681401 is about 7594.8272528083. The cubic root of 57681401 is about 386.3775936759.
The spelling of 57681401 in words is "fifty-seven million, six hundred eighty-one thousand, four hundred one".
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