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51122108 = 2212780527
BaseRepresentation
bin1100001100000…
…0111110111100
310120012021100102
43003000332330
5101041401413
65023420232
71160350022
oct303007674
9116167312
1051122108
1126947884
1215154678
13a78c08b
146b0a712
15474c458
hex30c0fbc

51122108 has 6 divisors (see below), whose sum is σ = 89463696. Its totient is φ = 25561052.

The previous prime is 51122063. The next prime is 51122117. The reversal of 51122108 is 80122115.

It is a happy number.

51122108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×511221082 = 5226939852727328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51122108.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6390260 + ... + 6390267.

It is an arithmetic number, because the mean of its divisors is an integer number (14910616).

Almost surely, 251122108 is an apocalyptic number.

It is an amenable number.

51122108 is a deficient number, since it is larger than the sum of its proper divisors (38341588).

51122108 is a wasteful number, since it uses less digits than its factorization.

51122108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12780531 (or 12780529 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 51122108 is about 7149.9725873600. The cubic root of 51122108 is about 371.1387076608.

The spelling of 51122108 in words is "fifty-one million, one hundred twenty-two thousand, one hundred eight".

Divisors: 1 2 4 12780527 25561054 51122108