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51236966 = 2112211723
BaseRepresentation
bin1100001101110…
…1000001100110
310120102002220102
43003131001212
5101104040331
65030104102
71161335624
oct303350146
9116362812
1051236966
1126a16100
12151ab032
13a7cc441
146b3a514
1547714cb
hex30dd066

51236966 has 12 divisors (see below), whose sum is σ = 84477876. Its totient is φ = 23289420.

The previous prime is 51236953. The next prime is 51236981. The reversal of 51236966 is 66963215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105620 + ... + 106103.

It is an arithmetic number, because the mean of its divisors is an integer number (7039823).

Almost surely, 251236966 is an apocalyptic number.

51236966 is a deficient number, since it is larger than the sum of its proper divisors (33240910).

51236966 is a wasteful number, since it uses less digits than its factorization.

51236966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211747 (or 211736 counting only the distinct ones).

The product of its digits is 58320, while the sum is 38.

The square root of 51236966 is about 7158.0001397038. Note that the first 3 decimals coincide. The cubic root of 51236966 is about 371.4164502807.

The spelling of 51236966 in words is "fifty-one million, two hundred thirty-six thousand, nine hundred sixty-six".

Divisors: 1 2 11 22 121 242 211723 423446 2328953 4657906 25618483 51236966