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53980784 = 24111323593
BaseRepresentation
bin1100110111101…
…0111001110000
310202120111201022
43031322321300
5102304341114
65204555012
71223554244
oct315727160
9122514638
1053980784
112851a620
12160b2a68
13b2502c0
147252424
154b1448e
hex337ae70

53980784 has 40 divisors (see below), whose sum is σ = 122877552. Its totient is φ = 22648320.

The previous prime is 53980733. The next prime is 53980807. The reversal of 53980784 is 48708935.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 9509 + ... + 14084.

Almost surely, 253980784 is an apocalyptic number.

It is an amenable number.

53980784 is an abundant number, since it is smaller than the sum of its proper divisors (68896768).

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

53980784 is a wasteful number, since it uses less digits than its factorization.

53980784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23625 (or 23619 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 53980784 is about 7347.1616288197. The cubic root of 53980784 is about 377.9314751254.

The spelling of 53980784 in words is "fifty-three million, nine hundred eighty thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 11 13 16 22 26 44 52 88 104 143 176 208 286 572 1144 2288 23593 47186 94372 188744 259523 306709 377488 519046 613418 1038092 1226836 2076184 2453672 3373799 4152368 4907344 6747598 13495196 26990392 53980784