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51302104 = 237916109
BaseRepresentation
bin1100001110110…
…0111011011000
310120112102020221
43003230323120
5101113131404
65031325424
71162026550
oct303547330
9116472227
1051302104
1126a60037
1215220874
13a822c99
146b56160
154785954
hex30eced8

51302104 has 16 divisors (see below), whose sum is σ = 109933200. Its totient is φ = 21986592.

The previous prime is 51302087. The next prime is 51302123. The reversal of 51302104 is 40120315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457999 + ... + 458110.

It is an arithmetic number, because the mean of its divisors is an integer number (6870825).

Almost surely, 251302104 is an apocalyptic number.

It is an amenable number.

51302104 is an abundant number, since it is smaller than the sum of its proper divisors (58631096).

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

51302104 is a wasteful number, since it uses less digits than its factorization.

51302104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916122 (or 916118 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 51302104 is about 7162.5487083859. The cubic root of 51302104 is about 371.5737786152.

Adding to 51302104 its reverse (40120315), we get a palindrome (91422419).

The spelling of 51302104 in words is "fifty-one million, three hundred two thousand, one hundred four".

Divisors: 1 2 4 7 8 14 28 56 916109 1832218 3664436 6412763 7328872 12825526 25651052 51302104