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57220652 = 2214305163
BaseRepresentation
bin1101101001000…
…1111000101100
310222200002222102
43122101320230
5104122030102
65402234232
71263240026
oct332217054
9128602872
1057220652
112a3327a5
12171b5978
13bb15b98
147857016
155054402
hex3691e2c

57220652 has 6 divisors (see below), whose sum is σ = 100136148. Its totient is φ = 28610324.

The previous prime is 57220627. The next prime is 57220679. The reversal of 57220652 is 25602275.

57220652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7152578 + ... + 7152585.

It is an arithmetic number, because the mean of its divisors is an integer number (16689358).

Almost surely, 257220652 is an apocalyptic number.

It is an amenable number.

57220652 is a deficient number, since it is larger than the sum of its proper divisors (42915496).

57220652 is a wasteful number, since it uses less digits than its factorization.

57220652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14305167 (or 14305165 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 57220652 is about 7564.4333561741. The cubic root of 57220652 is about 385.3460698953.

The spelling of 57220652 in words is "fifty-seven million, two hundred twenty thousand, six hundred fifty-two".

Divisors: 1 2 4 14305163 28610326 57220652