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57360340 = 2252868017
BaseRepresentation
bin1101101011001…
…1111111010100
310222221012121001
43122303333110
5104141012330
65405233044
71264361212
oct332637724
9128835531
1057360340
112a418744
1217262784
13bb6463b
147891cb2
1550809ca
hex36b3fd4

57360340 has 12 divisors (see below), whose sum is σ = 120456756. Its totient is φ = 22944128.

The previous prime is 57360337. The next prime is 57360341. The reversal of 57360340 is 4306375.

It can be written as a sum of positive squares in 2 ways, for example, as 5779216 + 51581124 = 2404^2 + 7182^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57360299 and 57360308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57360341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1433989 + ... + 1434028.

It is an arithmetic number, because the mean of its divisors is an integer number (10038063).

Almost surely, 257360340 is an apocalyptic number.

It is an amenable number.

57360340 is an abundant number, since it is smaller than the sum of its proper divisors (63096416).

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

57360340 is a wasteful number, since it uses less digits than its factorization.

57360340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868026 (or 2868024 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 57360340 is about 7573.6609377500. The cubic root of 57360340 is about 385.6593861377.

The spelling of 57360340 in words is "fifty-seven million, three hundred sixty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 2868017 5736034 11472068 14340085 28680170 57360340