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51205296 = 2431066777
BaseRepresentation
bin1100001101010…
…1010010110000
310120100111110110
43003111102300
5101102032141
65025301320
71161144402
oct303252260
9116314413
1051205296
11269a432a
1215194840
13a7babbc
146b2cb72
154766e16
hex30d54b0

51205296 has 20 divisors (see below), whose sum is σ = 132280472. Its totient is φ = 17068416.

The previous prime is 51205289. The next prime is 51205321. The reversal of 51205296 is 69250215.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533341 + ... + 533436.

Almost surely, 251205296 is an apocalyptic number.

It is an amenable number.

51205296 is an abundant number, since it is smaller than the sum of its proper divisors (81075176).

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

51205296 is a wasteful number, since it uses less digits than its factorization.

51205296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066788 (or 1066782 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 51205296 is about 7155.7875876803. The cubic root of 51205296 is about 371.3399092968.

The spelling of 51205296 in words is "fifty-one million, two hundred five thousand, two hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 48 1066777 2133554 3200331 4267108 6400662 8534216 12801324 17068432 25602648 51205296