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57022706 = 2132193181
BaseRepresentation
bin1101100110000…
…1100011110010
310222022001110002
43121201203302
5104044211311
65354110002
71261453646
oct331414362
9128261402
1057022706
112a208004
121711b302
13ba76a60
147804c26
15501593b
hex36618f2

57022706 has 8 divisors (see below), whose sum is σ = 92113644. Its totient is φ = 26318160.

The previous prime is 57022699. The next prime is 57022717. The reversal of 57022706 is 60722075.

It is a happy number.

57022706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 56866681 + 156025 = 7541^2 + 395^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 1096565 + ... + 1096616.

Almost surely, 257022706 is an apocalyptic number.

57022706 is a deficient number, since it is larger than the sum of its proper divisors (35090938).

57022706 is a wasteful number, since it uses less digits than its factorization.

57022706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193196.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 57022706 is about 7551.3380271314. The cubic root of 57022706 is about 384.9012081371.

The spelling of 57022706 in words is "fifty-seven million, twenty-two thousand, seven hundred six".

Divisors: 1 2 13 26 2193181 4386362 28511353 57022706