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52840460 = 2258293187
BaseRepresentation
bin1100100110010…
…0100000001100
310200102120111002
43021210200030
5102011343320
65124315432
71211064551
oct311444014
9120376432
1052840460
1127910902
1215842b78
13ac4125a
147036a28
15498b675
hex326480c

52840460 has 24 divisors (see below), whose sum is σ = 111133680. Its totient is φ = 21104064.

The previous prime is 52840427. The next prime is 52840481. The reversal of 52840460 is 6404825.

It is a super-2 number, since 2×528404602 = 5584228426023200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14987 + ... + 18173.

It is an arithmetic number, because the mean of its divisors is an integer number (4630570).

Almost surely, 252840460 is an apocalyptic number.

It is an amenable number.

52840460 is an abundant number, since it is smaller than the sum of its proper divisors (58293220).

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

52840460 is a wasteful number, since it uses less digits than its factorization.

52840460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4025 (or 4023 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 52840460 is about 7269.1443788110. The cubic root of 52840460 is about 375.2512923089.

The spelling of 52840460 in words is "fifty-two million, eight hundred forty thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 829 1658 3187 3316 4145 6374 8290 12748 15935 16580 31870 63740 2642023 5284046 10568092 13210115 26420230 52840460