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51073408 = 272913759
BaseRepresentation
bin1100001011010…
…1000110000000
310120002210112201
43002311012000
5101033322113
65022402544
71160055031
oct302650600
9116083481
1051073408
1126914231
1215130454
13a772b69
146ad6a88
15473ccdd
hex30b5180

51073408 has 32 divisors (see below), whose sum is σ = 105264000. Its totient is φ = 24654336.

The previous prime is 51073403. The next prime is 51073417. The reversal of 51073408 is 80437015.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51073403) 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, 3168 + ... + 10591.

It is an arithmetic number, because the mean of its divisors is an integer number (3289500).

Almost surely, 251073408 is an apocalyptic number.

51073408 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

51073408 is an abundant number, since it is smaller than the sum of its proper divisors (54190592).

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

51073408 is a wasteful number, since it uses less digits than its factorization.

51073408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13802 (or 13790 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 51073408 is about 7146.5661684476. The cubic root of 51073408 is about 371.0208186940.

It can be divided in two parts, 5107 and 3408, that added together give a triangular number (8515 = T130).

The spelling of 51073408 in words is "fifty-one million, seventy-three thousand, four hundred eight".

Divisors: 1 2 4 8 16 29 32 58 64 116 128 232 464 928 1856 3712 13759 27518 55036 110072 220144 399011 440288 798022 880576 1596044 1761152 3192088 6384176 12768352 25536704 51073408