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57706422 = 2319748821
BaseRepresentation
bin1101110000100…
…0011110110110
311000120210022220
43130020132312
5104233101142
65420503210
71300332204
oct334103666
9130523286
1057706422
112a634764
12173aab06
13bc56017
147942074
1550ed2ec
hex37087b6

57706422 has 16 divisors (see below), whose sum is σ = 116001072. Its totient is φ = 19137440.

The previous prime is 57706403. The next prime is 57706463. The reversal of 57706422 is 22460775.

It is a super-2 number, since 2×577064222 = 6660062280084168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23229 + ... + 25592.

It is an arithmetic number, because the mean of its divisors is an integer number (7250067).

Almost surely, 257706422 is an apocalyptic number.

57706422 is an abundant number, since it is smaller than the sum of its proper divisors (58294650).

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

57706422 is a wasteful number, since it uses less digits than its factorization.

57706422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49023.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 57706422 is about 7596.4743137853. The cubic root of 57706422 is about 386.4334531389.

The spelling of 57706422 in words is "fifty-seven million, seven hundred six thousand, four hundred twenty-two".

Divisors: 1 2 3 6 197 394 591 1182 48821 97642 146463 292926 9617737 19235474 28853211 57706422