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57504923 = 747277631
BaseRepresentation
bin1101101101011…
…1010010011011
311000012112220222
43123113102123
5104210124143
65412310255
71265532560
oct333272233
9130175828
1057504923
112a507333
121731238b
13bbb53a8
1478cc867
1550ad768
hex36d749b

57504923 has 16 divisors (see below), whose sum is σ = 67467264. Its totient is φ = 47990880.

The previous prime is 57504913. The next prime is 57504949. The reversal of 57504923 is 32940575.

It is not a de Polignac number, because 57504923 - 220 = 56456347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57504913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90818 + ... + 91448.

It is an arithmetic number, because the mean of its divisors is an integer number (4216704).

Almost surely, 257504923 is an apocalyptic number.

57504923 is a deficient number, since it is larger than the sum of its proper divisors (9962341).

57504923 is a wasteful number, since it uses less digits than its factorization.

57504923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 57504923 is about 7583.2000501108. The cubic root of 57504923 is about 385.9831464627.

The spelling of 57504923 in words is "fifty-seven million, five hundred four thousand, nine hundred twenty-three".

Divisors: 1 7 47 277 329 631 1939 4417 13019 29657 91133 174787 207599 1223509 8214989 57504923