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51330414 = 2312296961
BaseRepresentation
bin1100001111001…
…1110101101110
310120120212002110
43003303311232
5101120033124
65032104450
71162205232
oct303636556
9116525073
1051330414
1126a7a333
1215235126
13a832b35
146b625c2
15478e029
hex30f3d6e

51330414 has 16 divisors (see below), whose sum is σ = 102759120. Its totient is φ = 17093760.

The previous prime is 51330403. The next prime is 51330421. The reversal of 51330414 is 41403315.

It is a super-2 number, since 2×513304142 = 5269622802822792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3894 + ... + 10854.

It is an arithmetic number, because the mean of its divisors is an integer number (6422445).

Almost surely, 251330414 is an apocalyptic number.

51330414 is an abundant number, since it is smaller than the sum of its proper divisors (51428706).

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

51330414 is a wasteful number, since it uses less digits than its factorization.

51330414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8195.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 51330414 is about 7164.5246876537. The cubic root of 51330414 is about 371.6421144696.

Adding to 51330414 its reverse (41403315), we get a palindrome (92733729).

The spelling of 51330414 in words is "fifty-one million, three hundred thirty thousand, four hundred fourteen".

Divisors: 1 2 3 6 1229 2458 3687 6961 7374 13922 20883 41766 8555069 17110138 25665207 51330414