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52880460 = 22351635407
BaseRepresentation
bin1100100110111…
…0010001001100
310200111121100120
43021232101030
5102014133320
65125224540
71211322303
oct311562114
9120447316
1052880460
1127938966
1215862150
13ac56519
14704743a
154998440
hex326e44c

52880460 has 48 divisors (see below), whose sum is σ = 149001216. Its totient is φ = 14012352.

The previous prime is 52880453. The next prime is 52880479. The reversal of 52880460 is 6408825.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7077 + ... + 12483.

It is an arithmetic number, because the mean of its divisors is an integer number (3104192).

Almost surely, 252880460 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 52880460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74500608).

52880460 is an abundant number, since it is smaller than the sum of its proper divisors (96120756).

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

52880460 is a wasteful number, since it uses less digits than its factorization.

52880460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5582 (or 5580 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 52880460 is about 7271.8952137665. The cubic root of 52880460 is about 375.3459562954.

The spelling of 52880460 in words is "fifty-two million, eight hundred eighty thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 163 326 489 652 815 978 1630 1956 2445 3260 4890 5407 9780 10814 16221 21628 27035 32442 54070 64884 81105 108140 162210 324420 881341 1762682 2644023 3525364 4406705 5288046 8813410 10576092 13220115 17626820 26440230 52880460