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51460992 = 27321131131
BaseRepresentation
bin1100010001001…
…1101110000000
310120211111012200
43010103232000
5101133222432
65034553200
71163261022
oct304235600
9116744180
1051460992
1127059450
1215298800
13a87a3bb
146b98012
1547b7a7c
hex3113b80

51460992 has 192 divisors, whose sum is σ = 168030720. Its totient is φ = 14976000.

The previous prime is 51460979. The next prime is 51461017. The reversal of 51460992 is 29906415.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 392767 + ... + 392897.

It is an arithmetic number, because the mean of its divisors is an integer number (875160).

Almost surely, 251460992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51460992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84015360).

51460992 is an abundant number, since it is smaller than the sum of its proper divisors (116569728).

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

51460992 is a wasteful number, since it uses less digits than its factorization.

51460992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 51460992 is about 7173.6317162230. The cubic root of 51460992 is about 371.9569842734.

The spelling of 51460992 in words is "fifty-one million, four hundred sixty thousand, nine hundred ninety-two".