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51946892 = 2212986723
BaseRepresentation
bin1100011000101…
…0010110001100
310121202011201222
43012022112030
5101244300032
65053222512
71200353444
oct306122614
9117664658
1051946892
1127360518
1215491a38
13a9ba60a
146c83124
154861a12
hex318a58c

51946892 has 6 divisors (see below), whose sum is σ = 90907068. Its totient is φ = 25973444.

The previous prime is 51946879. The next prime is 51946901. The reversal of 51946892 is 29864915.

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, 6493358 + ... + 6493365.

It is an arithmetic number, because the mean of its divisors is an integer number (15151178).

Almost surely, 251946892 is an apocalyptic number.

It is an amenable number.

51946892 is a deficient number, since it is larger than the sum of its proper divisors (38960176).

51946892 is a wasteful number, since it uses less digits than its factorization.

51946892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12986727 (or 12986725 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The square root of 51946892 is about 7207.4192329849. The cubic root of 51946892 is about 373.1240043201.

The spelling of 51946892 in words is "fifty-one million, nine hundred forty-six thousand, eight hundred ninety-two".

Divisors: 1 2 4 12986723 25973446 51946892