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51764313 = 3157109903
BaseRepresentation
bin1100010101110…
…1110001011001
310121101220021210
43011131301121
5101222424223
65045253333
71165663236
oct305356131
9117356253
1051764313
1127246327
1215404249
13a955493
146c3678d
154827893
hex315dc59

51764313 has 8 divisors (see below), whose sum is σ = 69459328. Its totient is φ = 34289424.

The previous prime is 51764309. The next prime is 51764347. The reversal of 51764313 is 31346715.

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

It is not a de Polignac number, because 51764313 - 22 = 51764309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51764213) 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, 54481 + ... + 55422.

It is an arithmetic number, because the mean of its divisors is an integer number (8682416).

Almost surely, 251764313 is an apocalyptic number.

It is an amenable number.

51764313 is a deficient number, since it is larger than the sum of its proper divisors (17695015).

51764313 is a wasteful number, since it uses less digits than its factorization.

51764313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110063.

The product of its digits is 7560, while the sum is 30.

The square root of 51764313 is about 7194.7420384611. The cubic root of 51764313 is about 372.6863485128.

The spelling of 51764313 in words is "fifty-one million, seven hundred sixty-four thousand, three hundred thirteen".

Divisors: 1 3 157 471 109903 329709 17254771 51764313