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57480806 = 228740403
BaseRepresentation
bin1101101101000…
…1011001100110
311000011022211202
43123101121212
5104203341211
65412002502
71265402345
oct333213146
9130138752
1057480806
112a4a01a9
1217300432
13bba7416
1478c3b5c
1550a653b
hex36d1666

57480806 has 4 divisors (see below), whose sum is σ = 86221212. Its totient is φ = 28740402.

The previous prime is 57480803. The next prime is 57480827. The reversal of 57480806 is 60808475.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 57480806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57480803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14370200 + ... + 14370203.

It is an arithmetic number, because the mean of its divisors is an integer number (21555303).

Almost surely, 257480806 is an apocalyptic number.

57480806 is a deficient number, since it is larger than the sum of its proper divisors (28740406).

57480806 is a wasteful number, since it uses less digits than its factorization.

57480806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28740405.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 57480806 is about 7581.6097235350. The cubic root of 57480806 is about 385.9291797373.

The spelling of 57480806 in words is "fifty-seven million, four hundred eighty thousand, eight hundred six".

Divisors: 1 2 28740403 57480806