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57070650 = 235271337113
BaseRepresentation
bin1101100110110…
…1010000111010
310222101111012210
43121231100322
5104102230100
65355115550
71262043510
oct331552072
9128344183
1057070650
112a24002a
1217142bb6
13ba92820
1478184b0
155024c50
hex366d43a

57070650 has 192 divisors, whose sum is σ = 180488448. Its totient is φ = 11612160.

The previous prime is 57070639. The next prime is 57070681. The reversal of 57070650 is 5607075.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 504994 + ... + 505106.

It is an arithmetic number, because the mean of its divisors is an integer number (940044).

Almost surely, 257070650 is an apocalyptic number.

57070650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 57070650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90244224).

57070650 is an abundant number, since it is smaller than the sum of its proper divisors (123417798).

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

57070650 is a wasteful number, since it uses less digits than its factorization.

57070650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 57070650 is about 7554.5118968733. The cubic root of 57070650 is about 385.0090513417.

The spelling of 57070650 in words is "fifty-seven million, seventy thousand, six hundred fifty".