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51369112 = 236421139
BaseRepresentation
bin1100001111110…
…1010010011000
310120122211011201
43003331102120
5101122302422
65033003544
71162426114
oct303752230
9116584151
1051369112
1126aa6413
12152535b4
13a847632
146b72744
15479a727
hex30fd498

51369112 has 8 divisors (see below), whose sum is σ = 96317100. Its totient is φ = 25684552.

The previous prime is 51369107. The next prime is 51369119. The reversal of 51369112 is 21196315.

51369112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51369119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3210562 + ... + 3210577.

Almost surely, 251369112 is an apocalyptic number.

It is an amenable number.

51369112 is a deficient number, since it is larger than the sum of its proper divisors (44947988).

51369112 is a wasteful number, since it uses less digits than its factorization.

51369112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6421145 (or 6421141 counting only the distinct ones).

The product of its digits is 1620, while the sum is 28.

The square root of 51369112 is about 7167.2248464800. The cubic root of 51369112 is about 371.7354846751.

The spelling of 51369112 in words is "fifty-one million, three hundred sixty-nine thousand, one hundred twelve".

Divisors: 1 2 4 8 6421139 12842278 25684556 51369112