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12400152 = 233516673
BaseRepresentation
bin101111010011…
…011000011000
3212022222210220
4233103120120
511133301102
61121440040
7210254022
oct57233030
925288726
1012400152
116aaa466
1241a0020
13275218b
14190b012
15114e1bc
hexbd3618

12400152 has 16 divisors (see below), whose sum is σ = 31000440. Its totient is φ = 4133376.

The previous prime is 12400127. The next prime is 12400169. The reversal of 12400152 is 25100421.

12400152 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 258313 + ... + 258360.

Almost surely, 212400152 is an apocalyptic number.

12400152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12400152 is an abundant number, since it is smaller than the sum of its proper divisors (18600288).

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

12400152 is a wasteful number, since it uses less digits than its factorization.

12400152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516682 (or 516678 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 12400152 is about 3521.3849548154. The cubic root of 12400152 is about 231.4598511948.

Adding to 12400152 its reverse (25100421), we get a palindrome (37500573).

The spelling of 12400152 in words is "twelve million, four hundred thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 516673 1033346 1550019 2066692 3100038 4133384 6200076 12400152