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51057395 = 514477057
BaseRepresentation
bin1100001011000…
…1001011110011
310120001222120122
43002301023303
5101032314040
65022200455
71156660244
oct302611363
9116058518
1051057395
11269031a4
121512312b
13a76879c
146ad0ccb
1547381b5
hex30b12f3

51057395 has 8 divisors (see below), whose sum is σ = 61319904. Its totient is φ = 40811904.

The previous prime is 51057353. The next prime is 51057397. The reversal of 51057395 is 59375015.

51057395 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51057395 - 216 = 50991859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51057397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3707 + ... + 10763.

It is an arithmetic number, because the mean of its divisors is an integer number (7664988).

Almost surely, 251057395 is an apocalyptic number.

51057395 is a deficient number, since it is larger than the sum of its proper divisors (10262509).

51057395 is a wasteful number, since it uses less digits than its factorization.

51057395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8509.

The product of its (nonzero) digits is 23625, while the sum is 35.

The square root of 51057395 is about 7145.4457523656. The cubic root of 51057395 is about 370.9820393656.

The spelling of 51057395 in words is "fifty-one million, fifty-seven thousand, three hundred ninety-five".

Divisors: 1 5 1447 7057 7235 35285 10211479 51057395