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57088248 = 2337339811
BaseRepresentation
bin1101100111000…
…1100011111000
310222102101100120
43121301203320
5104103310443
65355333240
71262146020
oct331614370
9128371316
1057088248
112a252278
1217151220
13ba9a839
147820a80
15502a083
hex36718f8

57088248 has 32 divisors (see below), whose sum is σ = 163109760. Its totient is φ = 16310880.

The previous prime is 57088247. The next prime is 57088271. The reversal of 57088248 is 84288075.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57088243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169738 + ... + 170073.

It is an arithmetic number, because the mean of its divisors is an integer number (5097180).

Almost surely, 257088248 is an apocalyptic number.

It is an amenable number.

57088248 is an abundant number, since it is smaller than the sum of its proper divisors (106021512).

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

57088248 is a wasteful number, since it uses less digits than its factorization.

57088248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339827 (or 339823 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 57088248 is about 7555.6765415150. The cubic root of 57088248 is about 385.0486203846.

The spelling of 57088248 in words is "fifty-seven million, eighty-eight thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 339811 679622 1019433 1359244 2038866 2378677 2718488 4077732 4757354 7136031 8155464 9514708 14272062 19029416 28544124 57088248