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51276772 = 2220396287
BaseRepresentation
bin1100001110011…
…0101111100100
310120111010111201
43003212233210
5101111324042
65031012244
71161562651
oct303465744
9116433451
1051276772
1126a42aa8
121520a084
13a8145b1
146b4ac28
15477d1b7
hex30e6be4

51276772 has 12 divisors (see below), whose sum is σ = 89792640. Its totient is φ = 25621736.

The previous prime is 51276751. The next prime is 51276779. The reversal of 51276772 is 27767215.

It is a super-3 number, since 3×512767723 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (51276779) 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, 5013 + ... + 11299.

It is an arithmetic number, because the mean of its divisors is an integer number (7482720).

Almost surely, 251276772 is an apocalyptic number.

It is an amenable number.

51276772 is a deficient number, since it is larger than the sum of its proper divisors (38515868).

51276772 is a wasteful number, since it uses less digits than its factorization.

51276772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8330 (or 8328 counting only the distinct ones).

The product of its digits is 41160, while the sum is 37.

The square root of 51276772 is about 7160.7801250981. The cubic root of 51276772 is about 371.5126098656.

It can be divided in two parts, 512 and 76772, that added together give a square (77284 = 2782).

The spelling of 51276772 in words is "fifty-one million, two hundred seventy-six thousand, seven hundred seventy-two".

Divisors: 1 2 4 2039 4078 6287 8156 12574 25148 12819193 25638386 51276772