Base | Representation |
---|---|
bin | 1101101000000… |
… | …1001001001001 |
3 | 10222112121220110 |
4 | 3122001021021 |
5 | 104112331243 |
6 | 5400544533 |
7 | 1262533056 |
oct | 332011111 |
9 | 128477813 |
10 | 57152073 |
11 | 2a296220 |
12 | 17182149 |
13 | bac08c4 |
14 | 783a02d |
15 | 503de33 |
hex | 3681249 |
57152073 has 32 divisors (see below), whose sum is σ = 86873472. Its totient is φ = 33113600.
The previous prime is 57152023. The next prime is 57152077. The reversal of 57152073 is 37025175.
It is a cyclic number.
It is not a de Polignac number, because 57152073 - 217 = 57021001 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 57152073.
It is not an unprimeable number, because it can be changed into a prime (57152077) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71311 + ... + 72107.
It is an arithmetic number, because the mean of its divisors is an integer number (2714796).
Almost surely, 257152073 is an apocalyptic number.
57152073 is a gapful number since it is divisible by the number (53) formed by its first and last digit.
It is an amenable number.
57152073 is a deficient number, since it is larger than the sum of its proper divisors (29721399).
57152073 is a wasteful number, since it uses less digits than its factorization.
57152073 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 905.
The product of its (nonzero) digits is 7350, while the sum is 30.
The square root of 57152073 is about 7559.8990072619. The cubic root of 57152073 is about 385.1920624890.
The spelling of 57152073 in words is "fifty-seven million, one hundred fifty-two thousand, seventy-three".
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