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51032608 = 25111131283
BaseRepresentation
bin1100001010101…
…1001000100000
310120000201120121
43002223020200
5101031020413
65021450024
71156525054
oct302531040
9116021517
1051032608
1126896610
1215110914
13a75a413
146ac5c64
154730b8d
hex30ab220

51032608 has 48 divisors (see below), whose sum is σ = 110660256. Its totient is φ = 22973440.

The previous prime is 51032593. The next prime is 51032609. The reversal of 51032608 is 80623015.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (51032609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39135 + ... + 40417.

It is an arithmetic number, because the mean of its divisors is an integer number (2305422).

Almost surely, 251032608 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 51032608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55330128).

51032608 is an abundant number, since it is smaller than the sum of its proper divisors (59627648).

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

51032608 is a wasteful number, since it uses less digits than its factorization.

51032608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417 (or 1409 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 51032608 is about 7143.7110803839. The cubic root of 51032608 is about 370.9219956947.

The spelling of 51032608 in words is "fifty-one million, thirty-two thousand, six hundred eight".

Divisors: 1 2 4 8 11 16 22 32 44 88 113 176 226 352 452 904 1243 1283 1808 2486 2566 3616 4972 5132 9944 10264 14113 19888 20528 28226 39776 41056 56452 112904 144979 225808 289958 451616 579916 1159832 1594769 2319664 3189538 4639328 6379076 12758152 25516304 51032608