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57264077 = 134404929
BaseRepresentation
bin1101101001110…
…0011111001101
310222202022112202
43122130133031
5104124422302
65403211245
71263510443
oct332343715
9128668482
1057264077
112a362392
1217216b25
13bb2c890
147868b93
155062202
hex369c7cd

57264077 has 4 divisors (see below), whose sum is σ = 61669020. Its totient is φ = 52859136.

The previous prime is 57264073. The next prime is 57264091. The reversal of 57264077 is 77046275.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11485321 + 45778756 = 3389^2 + 6766^2 .

It is a cyclic number.

It is not a de Polignac number, because 57264077 - 22 = 57264073 is a prime.

It is a super-3 number, since 3×572640773 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57264077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57264073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2202452 + ... + 2202477.

It is an arithmetic number, because the mean of its divisors is an integer number (15417255).

Almost surely, 257264077 is an apocalyptic number.

It is an amenable number.

57264077 is a deficient number, since it is larger than the sum of its proper divisors (4404943).

57264077 is a wasteful number, since it uses less digits than its factorization.

57264077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404942.

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 57264077 is about 7567.3031523787. The cubic root of 57264077 is about 385.4435255120.

The spelling of 57264077 in words is "fifty-seven million, two hundred sixty-four thousand, seventy-seven".

Divisors: 1 13 4404929 57264077