Base | Representation |
---|---|
bin | 1101101010110… |
… | …0100110011000 |
3 | 10222212200002000 |
4 | 3122230212120 |
5 | 104134030242 |
6 | 5404441000 |
7 | 1264204032 |
oct | 332544630 |
9 | 128780060 |
10 | 57330072 |
11 | 2a3a7a28 |
12 | 17249160 |
13 | bb53927 |
14 | 7884c52 |
15 | 5076a4c |
hex | 36ac998 |
57330072 has 32 divisors (see below), whose sum is σ = 159250800. Its totient is φ = 19109952.
The previous prime is 57330043. The next prime is 57330107. The reversal of 57330072 is 27003375.
57330072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×573300723 (a number of 24 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132493 + ... + 132924.
Almost surely, 257330072 is an apocalyptic number.
It is an amenable number.
57330072 is an abundant number, since it is smaller than the sum of its proper divisors (101920728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57330072 is a wasteful number, since it uses less digits than its factorization.
57330072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 265432 (or 265422 counting only the distinct ones).
The product of its (nonzero) digits is 4410, while the sum is 27.
The square root of 57330072 is about 7571.6624330460. The cubic root of 57330072 is about 385.5915390727.
The spelling of 57330072 in words is "fifty-seven million, three hundred thirty thousand, seventy-two".
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