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51487106 = 21119112253
BaseRepresentation
bin1100010001101…
…0000110000010
310120212211000212
43010122012002
5101140041411
65035314122
71163430116
oct304320602
9116784025
1051487106
1127077030
12152ab942
13a889258
146ba3746
1547c068b
hex311a182

51487106 has 16 divisors (see below), whose sum is σ = 84699648. Its totient is φ = 23278800.

The previous prime is 51487097. The next prime is 51487127. The reversal of 51487106 is 60178415.

It is a happy number.

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, 1925 + ... + 10328.

It is an arithmetic number, because the mean of its divisors is an integer number (5293728).

Almost surely, 251487106 is an apocalyptic number.

51487106 is a deficient number, since it is larger than the sum of its proper divisors (33212542).

51487106 is a wasteful number, since it uses less digits than its factorization.

51487106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12457.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 51487106 is about 7175.4516234172. The cubic root of 51487106 is about 372.0198904461.

The spelling of 51487106 in words is "fifty-one million, four hundred eighty-seven thousand, one hundred six".

Divisors: 1 2 11 22 191 382 2101 4202 12253 24506 134783 269566 2340323 4680646 25743553 51487106