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51017296 = 2411289871
BaseRepresentation
bin1100001010011…
…1011001010000
310112222221120111
43002213121100
5101030023141
65021251104
71156432321
oct302473120
9115887514
1051017296
1126886060
1215103a94
13a753465
146ac0448
15472b381
hex30a7650

51017296 has 20 divisors (see below), whose sum is σ = 107832384. Its totient is φ = 23189600.

The previous prime is 51017273. The next prime is 51017347. The reversal of 51017296 is 69271015.

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 in 3 ways as a sum of consecutive naturals, for example, 144760 + ... + 145111.

Almost surely, 251017296 is an apocalyptic number.

It is an amenable number.

51017296 is an abundant number, since it is smaller than the sum of its proper divisors (56815088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51017296 is a wasteful number, since it uses less digits than its factorization.

51017296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289890 (or 289884 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 51017296 is about 7142.6392881063. The cubic root of 51017296 is about 370.8848944114.

The spelling of 51017296 in words is "fifty-one million, seventeen thousand, two hundred ninety-six".

Divisors: 1 2 4 8 11 16 22 44 88 176 289871 579742 1159484 2318968 3188581 4637936 6377162 12754324 25508648 51017296