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52754520 = 23357134831
BaseRepresentation
bin1100100100111…
…1100001011000
310200021012121010
43021033201120
5102001121040
65122413520
71210256160
oct311174130
9120235533
1052754520
1127862285
12158012a0
13ac110c0
1470135a0
154970e80
hex324f858

52754520 has 128 divisors (see below), whose sum is σ = 194826240. Its totient is φ = 11128320.

The previous prime is 52754497. The next prime is 52754521. The reversal of 52754520 is 2545725.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52754521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8505 + ... + 13335.

It is an arithmetic number, because the mean of its divisors is an integer number (1522080).

Almost surely, 252754520 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 52754520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97413120).

52754520 is an abundant number, since it is smaller than the sum of its proper divisors (142071720).

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

52754520 is a wasteful number, since it uses less digits than its factorization.

52754520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4865 (or 4861 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 52754520 is about 7263.2306861341. The cubic root of 52754520 is about 375.0477450320.

The spelling of 52754520 in words is "fifty-two million, seven hundred fifty-four thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 13 14 15 20 21 24 26 28 30 35 39 40 42 52 56 60 65 70 78 84 91 104 105 120 130 140 156 168 182 195 210 260 273 280 312 364 390 420 455 520 546 728 780 840 910 1092 1365 1560 1820 2184 2730 3640 4831 5460 9662 10920 14493 19324 24155 28986 33817 38648 48310 57972 62803 67634 72465 96620 101451 115944 125606 135268 144930 169085 188409 193240 202902 251212 270536 289860 314015 338170 376818 405804 439621 502424 507255 579720 628030 676340 753636 811608 879242 942045 1014510 1256060 1318863 1352680 1507272 1758484 1884090 2029020 2198105 2512120 2637726 3516968 3768180 4058040 4396210 5275452 6594315 7536360 8792420 10550904 13188630 17584840 26377260 52754520