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12540882 = 232090147
BaseRepresentation
bin101111110101…
…101111010010
3212121010212010
4233311233102
511202302012
61124443350
7211411224
oct57655722
925533763
1012540882
117096172
124249556
1327a1253
141946414
15117ac3c
hexbf5bd2

12540882 has 8 divisors (see below), whose sum is σ = 25081776. Its totient is φ = 4180292.

The previous prime is 12540881. The next prime is 12540937. The reversal of 12540882 is 28804521.

It is a sphenic number, since it is the product of 3 distinct primes.

12540882 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12540881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045068 + ... + 1045079.

It is an arithmetic number, because the mean of its divisors is an integer number (3135222).

Almost surely, 212540882 is an apocalyptic number.

12540882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12540882 is a wasteful number, since it uses less digits than its factorization.

12540882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090152.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 12540882 is about 3541.3107742755. The cubic root of 12540882 is about 232.3321762656.

The spelling of 12540882 in words is "twelve million, five hundred forty thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 2090147 4180294 6270441 12540882