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57106655 = 5172923167
BaseRepresentation
bin1101100111011…
…0000011011111
310222110022121022
43121312003133
5104104403110
65355554355
71262253464
oct331660337
9128408538
1057106655
112a265091
121715b9bb
13baa6028
14782766b
155030755
hex36760df

57106655 has 16 divisors (see below), whose sum is σ = 75064320. Its totient is φ = 41513472.

The previous prime is 57106639. The next prime is 57106657. The reversal of 57106655 is 55660175.

It is a cyclic number.

It is not a de Polignac number, because 57106655 - 24 = 57106639 is a prime.

It is a super-2 number, since 2×571066552 = 6522340090578050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57106657) 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, 9119 + ... + 14048.

It is an arithmetic number, because the mean of its divisors is an integer number (4691520).

Almost surely, 257106655 is an apocalyptic number.

57106655 is a deficient number, since it is larger than the sum of its proper divisors (17957665).

57106655 is a wasteful number, since it uses less digits than its factorization.

57106655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23218.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 57106655 is about 7556.8945341324. The cubic root of 57106655 is about 385.0899997612.

The spelling of 57106655 in words is "fifty-seven million, one hundred six thousand, six hundred fifty-five".

Divisors: 1 5 17 29 85 145 493 2465 23167 115835 393839 671843 1969195 3359215 11421331 57106655