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51060772 = 2271823599
BaseRepresentation
bin1100001011001…
…0000000100100
310120002011012201
43002302000210
5101032421042
65022224244
71160003140
oct302620044
9116064181
1051060772
1126905794
1215125084
13a76a199
146ad2220
1547391b7
hex30b2024

51060772 has 12 divisors (see below), whose sum is σ = 102121600. Its totient is φ = 21883176.

The previous prime is 51060769. The next prime is 51060797. The reversal of 51060772 is 27706015.

51060772 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 1823599 = 51060772 / (5 + 1 + 0 + 6 + 0 + 7 + 7 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 51060772.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 911772 + ... + 911827.

Almost surely, 251060772 is an apocalyptic number.

It is an amenable number.

51060772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51060772 is a wasteful number, since it uses less digits than its factorization.

51060772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823610 (or 1823608 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 51060772 is about 7145.6820528204. The cubic root of 51060772 is about 370.9902182574.

Adding to 51060772 its reverse (27706015), we get a palindrome (78766787).

The spelling of 51060772 in words is "fifty-one million, sixty thousand, seven hundred seventy-two".

Divisors: 1 2 4 7 14 28 1823599 3647198 7294396 12765193 25530386 51060772