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51107294 = 272521503
BaseRepresentation
bin1100001011110…
…1010111011110
310120011112000202
43002331113132
5101040413134
65023223502
71160255600
oct302752736
9116145022
1051107294
1126937737
1215147b92
13a785404
146b05170
154747d7e
hex30bd5de

51107294 has 12 divisors (see below), whose sum is σ = 89177184. Its totient is φ = 21903084.

The previous prime is 51107269. The next prime is 51107297. The reversal of 51107294 is 49270115.

It is a super-2 number, since 2×511072942 = 5223911000004872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51107297) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 260654 + ... + 260849.

It is an arithmetic number, because the mean of its divisors is an integer number (7431432).

Almost surely, 251107294 is an apocalyptic number.

51107294 is a deficient number, since it is larger than the sum of its proper divisors (38069890).

51107294 is a wasteful number, since it uses less digits than its factorization.

51107294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521519 (or 521512 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 51107294 is about 7148.9365642730. The cubic root of 51107294 is about 371.1028550706.

The spelling of 51107294 in words is "fifty-one million, one hundred seven thousand, two hundred ninety-four".

Divisors: 1 2 7 14 49 98 521503 1043006 3650521 7301042 25553647 51107294