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57272 = 237159
BaseRepresentation
bin1101111110111000
32220120012
431332320
53313042
61121052
7325655
oct157670
986505
1057272
113a036
1229188
13200b7
1416c2c
1511e82
hexdfb8

57272 has 8 divisors (see below), whose sum is σ = 107400. Its totient is φ = 28632.

The previous prime is 57271. The next prime is 57283. The reversal of 57272 is 27275.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3572 + ... + 3587.

It is an arithmetic number, because the mean of its divisors is an integer number (13425).

257272 is an apocalyptic number.

It is an amenable number.

57272 is a deficient number, since it is larger than the sum of its proper divisors (50128).

57272 is a wasteful number, since it uses less digits than its factorization.

57272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7165 (or 7161 counting only the distinct ones).

The product of its digits is 980, while the sum is 23.

The square root of 57272 is about 239.3156910861. The cubic root of 57272 is about 38.5461301218.

The spelling of 57272 in words is "fifty-seven thousand, two hundred seventy-two".

Divisors: 1 2 4 8 7159 14318 28636 57272