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51314187 = 326896361
BaseRepresentation
bin1100001110111…
…1111000001011
310120120000211110
43003233320023
5101114023222
65031501403
71162110021
oct303577013
9116500743
1051314187
1126a69121
1215227863
13a828632
146b5a711
15478930c
hex30efe0b

51314187 has 8 divisors (see below), whose sum is σ = 68455120. Its totient is φ = 34191360.

The previous prime is 51314183. The next prime is 51314191. The reversal of 51314187 is 78141315.

It is an interprime number because it is at equal distance from previous prime (51314183) and next prime (51314191).

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

It is not a de Polignac number, because 51314187 - 22 = 51314183 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51314183) 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, 4887 + ... + 11247.

It is an arithmetic number, because the mean of its divisors is an integer number (8556890).

Almost surely, 251314187 is an apocalyptic number.

51314187 is a deficient number, since it is larger than the sum of its proper divisors (17140933).

51314187 is a wasteful number, since it uses less digits than its factorization.

51314187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9053.

The product of its digits is 3360, while the sum is 30.

The square root of 51314187 is about 7163.3921433913. The cubic root of 51314187 is about 371.6029481370.

The spelling of 51314187 in words is "fifty-one million, three hundred fourteen thousand, one hundred eighty-seven".

Divisors: 1 3 2689 6361 8067 19083 17104729 51314187