Base | Representation |
---|---|
bin | 1101100110001… |
… | …1111010101001 |
3 | 10222022112200200 |
4 | 3121203322221 |
5 | 104100013421 |
6 | 5354222413 |
7 | 1261524051 |
oct | 331437251 |
9 | 128275620 |
10 | 57032361 |
11 | 2a214291 |
12 | 17124a09 |
13 | ba7b279 |
14 | 7808561 |
15 | 5018726 |
hex | 3663ea9 |
57032361 has 12 divisors (see below), whose sum is σ = 82681092. Its totient is φ = 37882656.
The previous prime is 57032359. The next prime is 57032363. The reversal of 57032361 is 16323075.
It is a happy number.
57032361 is a `hidden beast` number, since 570 + 32 + 3 + 61 = 666.
It is an interprime number because it is at equal distance from previous prime (57032359) and next prime (57032363).
It can be written as a sum of positive squares in 2 ways, for example, as 30869136 + 26163225 = 5556^2 + 5115^2 .
It is not a de Polignac number, because 57032361 - 21 = 57032359 is a prime.
It is a super-3 number, since 3×570323613 (a number of 24 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (57032363) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8946 + ... + 13931.
It is an arithmetic number, because the mean of its divisors is an integer number (6890091).
Almost surely, 257032361 is an apocalyptic number.
It is an amenable number.
57032361 is a deficient number, since it is larger than the sum of its proper divisors (25648731).
57032361 is a wasteful number, since it uses less digits than its factorization.
57032361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23160 (or 23157 counting only the distinct ones).
The product of its (nonzero) digits is 3780, while the sum is 27.
The square root of 57032361 is about 7551.9772907498. The cubic root of 57032361 is about 384.9229305450.
The spelling of 57032361 in words is "fifty-seven million, thirty-two thousand, three hundred sixty-one".
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