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52878508 = 2223415647
BaseRepresentation
bin1100100110110…
…1110010101100
310200111111200021
43021231302230
5102014103013
65125211524
71211313514
oct311556254
9120444607
1052878508
1127937451
1215860ba4
13ac55677
147046844
154997a8d
hex326dcac

52878508 has 12 divisors (see below), whose sum is σ = 92593312. Its totient is φ = 26423280.

The previous prime is 52878493. The next prime is 52878523. The reversal of 52878508 is 80587825.

It is an interprime number because it is at equal distance from previous prime (52878493) and next prime (52878523).

It is a super-2 number, since 2×528785082 = 5592273216612128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6541 + ... + 12187.

Almost surely, 252878508 is an apocalyptic number.

It is an amenable number.

52878508 is a deficient number, since it is larger than the sum of its proper divisors (39714804).

52878508 is a wasteful number, since it uses less digits than its factorization.

52878508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7992 (or 7990 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 43.

The square root of 52878508 is about 7271.7609971726. The cubic root of 52878508 is about 375.3413378010.

The spelling of 52878508 in words is "fifty-two million, eight hundred seventy-eight thousand, five hundred eight".

Divisors: 1 2 4 2341 4682 5647 9364 11294 22588 13219627 26439254 52878508