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51901130 = 2531167423
BaseRepresentation
bin1100010111111…
…1001011001010
310121122211222002
43011333023022
5101241314010
65052231002
71200103151
oct305771312
9117584862
1051901130
112732a0a6
121546b462
13a9a2838
146c70598
1548531a5
hex317f2ca

51901130 has 16 divisors (see below), whose sum is σ = 96436224. Its totient is φ = 20090640.

The previous prime is 51901117. The next prime is 51901163. The reversal of 51901130 is 3110915.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83402 + ... + 84021.

It is an arithmetic number, because the mean of its divisors is an integer number (6027264).

Almost surely, 251901130 is an apocalyptic number.

51901130 is a deficient number, since it is larger than the sum of its proper divisors (44535094).

51901130 is a wasteful number, since it uses less digits than its factorization.

51901130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167461.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 51901130 is about 7204.2438881537. The cubic root of 51901130 is about 373.0144057380.

The spelling of 51901130 in words is "fifty-one million, nine hundred one thousand, one hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 167423 334846 837115 1674230 5190113 10380226 25950565 51901130