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51145088 = 27399571
BaseRepresentation
bin1100001100011…
…0100110000000
310120020102212112
43003012212000
5101043120323
65024114452
71160504021
oct303064600
9116212775
1051145088
1126963075
1215165a28
13a799687
146b14c48
154754178
hex30c6980

51145088 has 16 divisors (see below), whose sum is σ = 101890860. Its totient is φ = 25572480.

The previous prime is 51145079. The next prime is 51145109. The reversal of 51145088 is 88054115.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199658 + ... + 199913.

Almost surely, 251145088 is an apocalyptic number.

It is an amenable number.

51145088 is a deficient number, since it is larger than the sum of its proper divisors (50745772).

51145088 is an equidigital number, since it uses as much as digits as its factorization.

51145088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399585 (or 399573 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 32.

The square root of 51145088 is about 7151.5794059774. The cubic root of 51145088 is about 371.1943097622.

The spelling of 51145088 in words is "fifty-one million, one hundred forty-five thousand, eighty-eight".

Divisors: 1 2 4 8 16 32 64 128 399571 799142 1598284 3196568 6393136 12786272 25572544 51145088