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57463921 = 717311087
BaseRepresentation
bin1101101100110…
…1010001110001
311000010110200101
43123031101301
5104202321141
65411352401
71265302204
oct333152161
9130113611
1057463921
112a489549
12172b2701
13bb9c828
1478bb93b
1550a1531
hex36cd471

57463921 has 8 divisors (see below), whose sum is σ = 59076864. Its totient is φ = 55873440.

The previous prime is 57463909. The next prime is 57463943. The reversal of 57463921 is 12936475.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57463921 - 29 = 57463409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57463981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361 + ... + 10726.

It is an arithmetic number, because the mean of its divisors is an integer number (7384608).

Almost surely, 257463921 is an apocalyptic number.

It is an amenable number.

57463921 is a deficient number, since it is larger than the sum of its proper divisors (1612943).

57463921 is a wasteful number, since it uses less digits than its factorization.

57463921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11231.

The product of its digits is 45360, while the sum is 37.

The square root of 57463921 is about 7580.4960919454. The cubic root of 57463921 is about 385.8913871080.

The spelling of 57463921 in words is "fifty-seven million, four hundred sixty-three thousand, nine hundred twenty-one".

Divisors: 1 71 73 5183 11087 787177 809351 57463921