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52042560 = 2635232357
BaseRepresentation
bin1100011010000…
…1101101000000
310121221000222020
43012201231000
5101310330220
65055241440
71201232403
oct306415500
9117830866
1052042560
1127416389
1215519280
13aa2201b
146ca9d3a
154880040
hex31a1b40

52042560 has 112 divisors (see below), whose sum is σ = 172492416. Its totient is φ = 13268992.

The previous prime is 52042547. The next prime is 52042561. The reversal of 52042560 is 6524025.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 52042560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52042561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20902 + ... + 23258.

Almost surely, 252042560 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 52042560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86246208).

52042560 is an abundant number, since it is smaller than the sum of its proper divisors (120449856).

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

52042560 is a wasteful number, since it uses less digits than its factorization.

52042560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400 (or 2390 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 52042560 is about 7214.0529523978. The cubic root of 52042560 is about 373.3529184737.

Adding to 52042560 its reverse (6524025), we get a palindrome (58566585).

The spelling of 52042560 in words is "fifty-two million, forty-two thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 64 69 80 92 96 115 120 138 160 184 192 230 240 276 320 345 368 460 480 552 690 736 920 960 1104 1380 1472 1840 2208 2357 2760 3680 4416 4714 5520 7071 7360 9428 11040 11785 14142 18856 22080 23570 28284 35355 37712 47140 54211 56568 70710 75424 94280 108422 113136 141420 150848 162633 188560 216844 226272 271055 282840 325266 377120 433688 452544 542110 565680 650532 754240 813165 867376 1084220 1131360 1301064 1626330 1734752 2168440 2262720 2602128 3252660 3469504 4336880 5204256 6505320 8673760 10408512 13010640 17347520 26021280 52042560