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57782113 = 151382663
BaseRepresentation
bin1101110001101…
…0111101100001
311000201122011021
43130122331201
5104243011423
65422245441
71301065654
oct334327541
9130648137
1057782113
112a686614
1217426881
13bc815cc
14796189b
15511595d
hex371af61

57782113 has 4 divisors (see below), whose sum is σ = 58164928. Its totient is φ = 57399300.

The previous prime is 57782107. The next prime is 57782117. The reversal of 57782113 is 31128775.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57782113 - 225 = 24227681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57782117) 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, 191181 + ... + 191482.

It is an arithmetic number, because the mean of its divisors is an integer number (14541232).

Almost surely, 257782113 is an apocalyptic number.

It is an amenable number.

57782113 is a deficient number, since it is larger than the sum of its proper divisors (382815).

57782113 is a wasteful number, since it uses less digits than its factorization.

57782113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382814.

The product of its digits is 11760, while the sum is 34.

The square root of 57782113 is about 7601.4546634180. The cubic root of 57782113 is about 386.6023352976.

The spelling of 57782113 in words is "fifty-seven million, seven hundred eighty-two thousand, one hundred thirteen".

Divisors: 1 151 382663 57782113