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149412 = 22312451
BaseRepresentation
bin100100011110100100
321120221210
4210132210
514240122
63111420
71161414
oct443644
9246853
10149412
11a228a
1272570
1353013
143c644
152e40c
hex247a4

149412 has 12 divisors (see below), whose sum is σ = 348656. Its totient is φ = 49800.

The previous prime is 149411. The next prime is 149417. The reversal of 149412 is 214941.

It is a tau number, because it is divible by the number of its divisors (12).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (149411) 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, 6214 + ... + 6237.

2149412 is an apocalyptic number.

149412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149412 is an abundant number, since it is smaller than the sum of its proper divisors (199244).

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

149412 is a wasteful number, since it uses less digits than its factorization.

149412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12458 (or 12456 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 149412 is about 386.5384845006. The cubic root of 149412 is about 53.0634105165.

It can be divided in two parts, 149 and 412, that added together give a triangular number (561 = T33).

The spelling of 149412 in words is "one hundred forty-nine thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 12451 24902 37353 49804 74706 149412