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51120926 = 225560463
BaseRepresentation
bin1100001100000…
…0101100011110
310120012012201122
43003000230132
5101041332201
65023410542
71160343413
oct303005436
9116165648
1051120926
11269469aa
1215153a52
13a78b68c
146b0a10a
15474be1b
hex30c0b1e

51120926 has 4 divisors (see below), whose sum is σ = 76681392. Its totient is φ = 25560462.

The previous prime is 51120893. The next prime is 51120931. The reversal of 51120926 is 62902115.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×511209262 = 5226698150194952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51120895 and 51120904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12780230 + ... + 12780233.

It is an arithmetic number, because the mean of its divisors is an integer number (19170348).

Almost surely, 251120926 is an apocalyptic number.

51120926 is a deficient number, since it is larger than the sum of its proper divisors (25560466).

51120926 is a wasteful number, since it uses less digits than its factorization.

51120926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25560465.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 51120926 is about 7149.8899292227. The cubic root of 51120926 is about 371.1358472588.

The spelling of 51120926 in words is "fifty-one million, one hundred twenty thousand, nine hundred twenty-six".

Divisors: 1 2 25560463 51120926