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51098192 = 2417187861
BaseRepresentation
bin1100001011101…
…1001001010000
310120011001112122
43002323021100
5101040120232
65023113412
71160220215
oct302731120
9116131478
1051098192
1126930912
1215142868
13a781222
146b01b0c
154745312
hex30bb250

51098192 has 20 divisors (see below), whose sum is σ = 104826996. Its totient is φ = 24046080.

The previous prime is 51098183. The next prime is 51098231. The reversal of 51098192 is 29189015.

It can be written as a sum of positive squares in 2 ways, for example, as 17272336 + 33825856 = 4156^2 + 5816^2 .

It is a super-2 number, since 2×510981922 = 5222050451337728, which contains 22 as substring.

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, 93659 + ... + 94202.

Almost surely, 251098192 is an apocalyptic number.

It is an amenable number.

51098192 is an abundant number, since it is smaller than the sum of its proper divisors (53728804).

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

51098192 is a wasteful number, since it uses less digits than its factorization.

51098192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187886 (or 187880 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 51098192 is about 7148.2999377474. The cubic root of 51098192 is about 371.0808231291.

The spelling of 51098192 in words is "fifty-one million, ninety-eight thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 17 34 68 136 272 187861 375722 751444 1502888 3005776 3193637 6387274 12774548 25549096 51098192