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57772052 = 22131765353
BaseRepresentation
bin1101110001100…
…0100000010100
311000201010100122
43130120200110
5104242201202
65422131112
71301024432
oct334304024
9130633318
1057772052
112a679aa8
1217420a98
13bc79b60
14795bd52
1551129a2
hex3718814

57772052 has 24 divisors (see below), whose sum is σ = 115284456. Its totient is φ = 25095168.

The previous prime is 57772037. The next prime is 57772081. The reversal of 57772052 is 25027775.

It can be written as a sum of positive squares in 4 ways, for example, as 16760836 + 41011216 = 4094^2 + 6404^2 .

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, 31793 + ... + 33560.

It is an arithmetic number, because the mean of its divisors is an integer number (4803519).

Almost surely, 257772052 is an apocalyptic number.

57772052 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

57772052 is a deficient number, since it is larger than the sum of its proper divisors (57512404).

57772052 is a wasteful number, since it uses less digits than its factorization.

57772052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65387 (or 65385 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 35.

The square root of 57772052 is about 7600.7928533805. The cubic root of 57772052 is about 386.5798956436.

The spelling of 57772052 in words is "fifty-seven million, seven hundred seventy-two thousand, fifty-two".

Divisors: 1 2 4 13 17 26 34 52 68 221 442 884 65353 130706 261412 849589 1111001 1699178 2222002 3398356 4444004 14443013 28886026 57772052