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52887900 = 223521371191
BaseRepresentation
bin1100100111000…
…0000101011100
310200111222120010
43021300011130
5102014403100
65125323220
71211353062
oct311600534
9120458503
1052887900
112794350a
1215866510
13ac59a20
14704a032
15499a750
hex327015c

52887900 has 144 divisors (see below), whose sum is σ = 167989248. Its totient is φ = 12768000.

The previous prime is 52887881. The next prime is 52887907. The reversal of 52887900 is 978825.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52887907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 276805 + ... + 276995.

It is an arithmetic number, because the mean of its divisors is an integer number (1166592).

Almost surely, 252887900 is an apocalyptic number.

52887900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52887900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83994624).

52887900 is an abundant number, since it is smaller than the sum of its proper divisors (115101348).

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

52887900 is a wasteful number, since it uses less digits than its factorization.

52887900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 52887900 is about 7272.4067543008. The cubic root of 52887900 is about 375.3635585311.

The spelling of 52887900 in words is "fifty-two million, eight hundred eighty-seven thousand, nine hundred".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 25 26 30 39 50 52 60 65 71 75 78 100 130 142 150 156 191 195 213 260 284 300 325 355 382 390 426 573 650 710 764 780 852 923 955 975 1065 1146 1300 1420 1775 1846 1910 1950 2130 2292 2483 2769 2865 3550 3692 3820 3900 4260 4615 4775 4966 5325 5538 5730 7100 7449 9230 9550 9932 10650 11076 11460 12415 13561 13845 14325 14898 18460 19100 21300 23075 24830 27122 27690 28650 29796 37245 40683 46150 49660 54244 55380 57300 62075 67805 69225 74490 81366 92300 124150 135610 138450 148980 162732 176293 186225 203415 248300 271220 276900 339025 352586 372450 406830 528879 678050 705172 744900 813660 881465 1017075 1057758 1356100 1762930 2034150 2115516 2644395 3525860 4068300 4407325 5288790 8814650 10577580 13221975 17629300 26443950 52887900