Search a number
-
+
52860280 = 23511196323
BaseRepresentation
bin1100100110100…
…1010101111000
310200110120200011
43021221111320
5102013012110
65124551304
71211206414
oct311512570
9120416604
1052860280
1127924790
1215852534
13ac4a295
14703dd44
15499248a
hex3269578

52860280 has 64 divisors (see below), whose sum is σ = 136598400. Its totient is φ = 18207360.

The previous prime is 52860277. The next prime is 52860317. The reversal of 52860280 is 8206825.

52860280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5199 + ... + 11521.

It is an arithmetic number, because the mean of its divisors is an integer number (2134350).

Almost surely, 252860280 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 52860280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68299200).

52860280 is an abundant number, since it is smaller than the sum of its proper divisors (83738120).

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

52860280 is a wasteful number, since it uses less digits than its factorization.

52860280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6364 (or 6360 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 52860280 is about 7270.5075476200. The cubic root of 52860280 is about 375.2982042832.

The spelling of 52860280 in words is "fifty-two million, eight hundred sixty thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 11 19 20 22 38 40 44 55 76 88 95 110 152 190 209 220 380 418 440 760 836 1045 1672 2090 4180 6323 8360 12646 25292 31615 50584 63230 69553 120137 126460 139106 240274 252920 278212 347765 480548 556424 600685 695530 961096 1201370 1321507 1391060 2402740 2643014 2782120 4805480 5286028 6607535 10572056 13215070 26430140 52860280