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12488860 = 225624443
BaseRepresentation
bin101111101001…
…000010011100
3212111111111101
4233221002130
511144120420
61123402444
7211103446
oct57510234
925444441
1012488860
11706007a
124223424
132783677
141931496
15116a60a
hexbe909c

12488860 has 12 divisors (see below), whose sum is σ = 26226648. Its totient is φ = 4995536.

The previous prime is 12488857. The next prime is 12488881. The reversal of 12488860 is 6888421.

12488860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×124888603 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

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, 312202 + ... + 312241.

It is an arithmetic number, because the mean of its divisors is an integer number (2185554).

Almost surely, 212488860 is an apocalyptic number.

12488860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12488860 is an abundant number, since it is smaller than the sum of its proper divisors (13737788).

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

12488860 is a wasteful number, since it uses less digits than its factorization.

12488860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624452 (or 624450 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 12488860 is about 3533.9581208611. The cubic root of 12488860 is about 232.0104781237.

The spelling of 12488860 in words is "twelve million, four hundred eighty-eight thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 624443 1248886 2497772 3122215 6244430 12488860