Base | Representation |
---|---|
bin | 1101101100000… |
… | …0000010010000 |
3 | 11000000201021110 |
4 | 3123000002100 |
5 | 104144102210 |
6 | 5410253320 |
7 | 1264655106 |
oct | 333000220 |
9 | 130021243 |
10 | 57409680 |
11 | 2a451819 |
12 | 17287240 |
13 | bb80c33 |
14 | 78a5c76 |
15 | 5090420 |
hex | 36c0090 |
57409680 has 80 divisors (see below), whose sum is σ = 188452224. Its totient is φ = 14407680.
The previous prime is 57409669. The next prime is 57409691. The reversal of 57409680 is 8690475.
It is an interprime number because it is at equal distance from previous prime (57409669) and next prime (57409691).
It is a tau number, because it is divible by the number of its divisors (80).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2956 + ... + 11115.
Almost surely, 257409680 is an apocalyptic number.
It is an amenable number.
57409680 is an abundant number, since it is smaller than the sum of its proper divisors (131042544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57409680 is a wasteful number, since it uses less digits than its factorization.
57409680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14104 (or 14098 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 39.
The square root of 57409680 is about 7576.9175790687. The cubic root of 57409680 is about 385.7699327905.
The spelling of 57409680 in words is "fifty-seven million, four hundred nine thousand, six hundred eighty".
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