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57350137 = 134411549
BaseRepresentation
bin1101101011000…
…1011111111001
310222220200121011
43122301133321
5104140201022
65405113521
71264316365
oct332613771
9128820534
1057350137
112a411009
12172588a1
13bb5cac0
14788c2a5
15507c977
hex36b17f9

57350137 has 4 divisors (see below), whose sum is σ = 61761700. Its totient is φ = 52938576.

The previous prime is 57350119. The next prime is 57350141. The reversal of 57350137 is 73105375.

It is a happy number.

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 14891881 + 42458256 = 3859^2 + 6516^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57350137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57350099 and 57350108.

It is not an unprimeable number, because it can be changed into a prime (57350147) 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, 2205762 + ... + 2205787.

It is an arithmetic number, because the mean of its divisors is an integer number (15440425).

Almost surely, 257350137 is an apocalyptic number.

It is an amenable number.

57350137 is a deficient number, since it is larger than the sum of its proper divisors (4411563).

57350137 is a wasteful number, since it uses less digits than its factorization.

57350137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4411562.

The product of its (nonzero) digits is 11025, while the sum is 31.

The square root of 57350137 is about 7572.9873233751. The cubic root of 57350137 is about 385.6365183278.

The spelling of 57350137 in words is "fifty-seven million, three hundred fifty thousand, one hundred thirty-seven".

Divisors: 1 13 4411549 57350137