Base | Representation |
---|---|
bin | 1101101101011… |
… | …1000101010111 |
3 | 11000012111210000 |
4 | 3123113011113 |
5 | 104210112322 |
6 | 5412302343 |
7 | 1265530254 |
oct | 333270527 |
9 | 130174700 |
10 | 57504087 |
11 | 2a506743 |
12 | 173119b3 |
13 | bbb4bb4 |
14 | 78cc42b |
15 | 50ad3ac |
hex | 36d7157 |
57504087 has 10 divisors (see below), whose sum is σ = 85901288. Its totient is φ = 38336004.
The previous prime is 57504067. The next prime is 57504091. The reversal of 57504087 is 78040575.
57504087 is a `hidden beast` number, since 575 + 0 + 4 + 0 + 87 = 666.
It is not a de Polignac number, because 57504087 - 216 = 57438551 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57504067) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 354883 + ... + 355044.
Almost surely, 257504087 is an apocalyptic number.
57504087 is a deficient number, since it is larger than the sum of its proper divisors (28397201).
57504087 is an equidigital number, since it uses as much as digits as its factorization.
57504087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 709939 (or 709930 counting only the distinct ones).
The product of its (nonzero) digits is 39200, while the sum is 36.
The square root of 57504087 is about 7583.1449280625. The cubic root of 57504087 is about 385.9812759940.
The spelling of 57504087 in words is "fifty-seven million, five hundred four thousand, eighty-seven".
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