Base | Representation |
---|---|
bin | 1101110001100… |
… | …0100100100000 |
3 | 11000201010201120 |
4 | 3130120210200 |
5 | 104242203240 |
6 | 5422132240 |
7 | 1301025264 |
oct | 334304440 |
9 | 130633646 |
10 | 57772320 |
11 | 2a67a221 |
12 | 17421080 |
13 | bc7a008 |
14 | 795c0a4 |
15 | 5112ad0 |
hex | 3718920 |
57772320 has 96 divisors (see below), whose sum is σ = 189931392. Its totient is φ = 14733312.
The previous prime is 57772301. The next prime is 57772361. The reversal of 57772320 is 2327775.
It is a tau number, because it is divible by the number of its divisors (96).
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, 8424 + ... + 13656.
It is an arithmetic number, because the mean of its divisors is an integer number (1978452).
Almost surely, 257772320 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57772320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94965696).
57772320 is an abundant number, since it is smaller than the sum of its proper divisors (132159072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57772320 is a wasteful number, since it uses less digits than its factorization.
57772320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5274 (or 5266 counting only the distinct ones).
The product of its (nonzero) digits is 20580, while the sum is 33.
The square root of 57772320 is about 7600.8104830998. The cubic root of 57772320 is about 386.5804934139.
The spelling of 57772320 in words is "fifty-seven million, seven hundred seventy-two thousand, three hundred twenty".
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