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51014288 = 2413245261
BaseRepresentation
bin1100001010011…
…0101010010000
310112222210110002
43002212222100
5101024424123
65021225132
71156420463
oct302465220
9115883402
1051014288
1126883876
12151021a8
13a751c90
146abd2da
15472a528
hex30a6a90

51014288 has 20 divisors (see below), whose sum is σ = 106443708. Its totient is φ = 23544960.

The previous prime is 51014287. The next prime is 51014303. The reversal of 51014288 is 88241015.

It can be written as a sum of positive squares in 2 ways, for example, as 31899904 + 19114384 = 5648^2 + 4372^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51014288.

It is not an unprimeable number, because it can be changed into a prime (51014287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122423 + ... + 122838.

Almost surely, 251014288 is an apocalyptic number.

It is an amenable number.

51014288 is an abundant number, since it is smaller than the sum of its proper divisors (55429420).

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

51014288 is a wasteful number, since it uses less digits than its factorization.

51014288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245282 (or 245276 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 51014288 is about 7142.4287185803. The cubic root of 51014288 is about 370.8776050947.

The spelling of 51014288 in words is "fifty-one million, fourteen thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 13 16 26 52 104 208 245261 490522 981044 1962088 3188393 3924176 6376786 12753572 25507144 51014288