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51016236 = 2234251353
BaseRepresentation
bin1100001010011…
…1001000101100
310112222220010020
43002213020230
5101030004421
65021242140
71156426245
oct302471054
9115886106
1051016236
1126885287
1215103350
13a752b2b
146abdccc
15472adc6
hex30a722c

51016236 has 12 divisors (see below), whose sum is σ = 119037912. Its totient is φ = 17005408.

The previous prime is 51016219. The next prime is 51016241. The reversal of 51016236 is 63261015.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×510162363 (a number of 24 digits) contains 333 as substring.

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, 2125665 + ... + 2125688.

It is an arithmetic number, because the mean of its divisors is an integer number (9919826).

Almost surely, 251016236 is an apocalyptic number.

It is an amenable number.

51016236 is an abundant number, since it is smaller than the sum of its proper divisors (68021676).

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

51016236 is a wasteful number, since it uses less digits than its factorization.

51016236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4251360 (or 4251358 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 51016236 is about 7142.5650854577. The cubic root of 51016236 is about 370.8823257355.

The spelling of 51016236 in words is "fifty-one million, sixteen thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 12 4251353 8502706 12754059 17005412 25508118 51016236