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51244802 = 273660343
BaseRepresentation
bin1100001101111…
…0111100000010
310120102111122122
43003132330002
5101104313202
65030204242
71161400520
oct303367402
9116374578
1051244802
1126a20a84
12151b3682
13a802b8b
146b3d310
1547739a2
hex30def02

51244802 has 8 divisors (see below), whose sum is σ = 87848256. Its totient is φ = 21962052.

The previous prime is 51244801. The next prime is 51244811. The reversal of 51244802 is 20844215.

It is a happy number.

51244802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (51244801) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1830158 + ... + 1830185.

It is an arithmetic number, because the mean of its divisors is an integer number (10981032).

Almost surely, 251244802 is an apocalyptic number.

51244802 is a deficient number, since it is larger than the sum of its proper divisors (36603454).

51244802 is a wasteful number, since it uses less digits than its factorization.

51244802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660352.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 51244802 is about 7158.5474783646. The cubic root of 51244802 is about 371.4353836874.

The spelling of 51244802 in words is "fifty-one million, two hundred forty-four thousand, eight hundred two".

Divisors: 1 2 7 14 3660343 7320686 25622401 51244802