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52861760 = 265723599
BaseRepresentation
bin1100100110100…
…1101101000000
310200110122200222
43021221231000
5102013034020
65125002212
71211213630
oct311515500
9120418628
1052861760
1127925906
1215853368
13ac4ab63
1470406c0
154992b25
hex3269b40

52861760 has 56 divisors (see below), whose sum is σ = 143865600. Its totient is φ = 18123264.

The previous prime is 52861747. The next prime is 52861769. The reversal of 52861760 is 6716825.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 52861760.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52861769) 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 7 ways as a sum of consecutive naturals, for example, 9560 + ... + 14039.

Almost surely, 252861760 is an apocalyptic number.

It is an amenable number.

52861760 is an abundant number, since it is smaller than the sum of its proper divisors (91003840).

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

52861760 is a wasteful number, since it uses less digits than its factorization.

52861760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23623 (or 23613 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 52861760 is about 7270.6093279724. The cubic root of 52861760 is about 375.3017068258.

The spelling of 52861760 in words is "fifty-two million, eight hundred sixty-one thousand, seven hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 160 224 280 320 448 560 1120 2240 23599 47198 94396 117995 165193 188792 235990 330386 377584 471980 660772 755168 825965 943960 1321544 1510336 1651930 1887920 2643088 3303860 3775840 5286176 6607720 7551680 10572352 13215440 26430880 52861760