Search a number
-
+
53564672 = 28771421
BaseRepresentation
bin1100110001010…
…1010100000000
310201210100220202
43030111110000
5102203032142
65152024332
71220202140
oct314252400
9121710822
1053564672
1128265a27
1215b320a8
13b135a95
147184920
154a81032
hex3315500

53564672 has 72 divisors (see below), whose sum is σ = 124209792. Its totient is φ = 22579200.

The previous prime is 53564669. The next prime is 53564681. The reversal of 53564672 is 27646535.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 127022 + ... + 127442.

It is an arithmetic number, because the mean of its divisors is an integer number (1725136).

Almost surely, 253564672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53564672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62104896).

53564672 is an abundant number, since it is smaller than the sum of its proper divisors (70645120).

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

53564672 is an equidigital number, since it uses as much as digits as its factorization.

53564672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 501 counting only the distinct ones).

The product of its digits is 151200, while the sum is 38.

The square root of 53564672 is about 7318.7889708612. The cubic root of 53564672 is about 376.9578715880.

The spelling of 53564672 in words is "fifty-three million, five hundred sixty-four thousand, six hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 71 112 128 142 224 256 284 421 448 497 568 842 896 994 1136 1684 1792 1988 2272 2947 3368 3976 4544 5894 6736 7952 9088 11788 13472 15904 18176 23576 26944 29891 31808 47152 53888 59782 63616 94304 107776 119564 127232 188608 209237 239128 377216 418474 478256 754432 836948 956512 1673896 1913024 3347792 3826048 6695584 7652096 13391168 26782336 53564672