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57106650 = 23523112281
BaseRepresentation
bin1101100111011…
…0000011011010
310222110022121010
43121312003122
5104104403100
65355554350
71262253456
oct331660332
9128408533
1057106650
112a265087
121715b9b6
13baa6023
147827666
155030750
hex36760da

57106650 has 48 divisors (see below), whose sum is σ = 146204928. Its totient is φ = 14736000.

The previous prime is 57106639. The next prime is 57106657. The reversal of 57106650 is 5660175.

It is a super-2 number, since 2×571066502 = 6522338948445000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 23 ways as a sum of consecutive naturals, for example, 1491 + ... + 10790.

It is an arithmetic number, because the mean of its divisors is an integer number (3045936).

Almost surely, 257106650 is an apocalyptic number.

57106650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57106650 is an abundant number, since it is smaller than the sum of its proper divisors (89098278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57106650 is a wasteful number, since it uses less digits than its factorization.

57106650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12327 (or 12322 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 57106650 is about 7556.8942033087. The cubic root of 57106650 is about 385.0899885223.

The spelling of 57106650 in words is "fifty-seven million, one hundred six thousand, six hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 31 50 62 75 93 150 155 186 310 465 775 930 1550 2325 4650 12281 24562 36843 61405 73686 122810 184215 307025 368430 380711 614050 761422 921075 1142133 1842150 1903555 2284266 3807110 5710665 9517775 11421330 19035550 28553325 57106650