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12275148 = 2231022929
BaseRepresentation
bin101110110100…
…110111001100
3212002122100010
4232310313030
511120301043
61115033220
7206223414
oct56646714
925078303
1012275148
116a24556
12413b810
13270a302
1418b7644
151127133
hexbb4dcc

12275148 has 12 divisors (see below), whose sum is σ = 28642040. Its totient is φ = 4091712.

The previous prime is 12275143. The next prime is 12275177. The reversal of 12275148 is 84157221.

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

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12275141) 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, 511453 + ... + 511476.

Almost surely, 212275148 is an apocalyptic number.

It is an amenable number.

12275148 is an abundant number, since it is smaller than the sum of its proper divisors (16366892).

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

12275148 is a wasteful number, since it uses less digits than its factorization.

12275148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022936 (or 1022934 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 12275148 is about 3503.5907295231. The cubic root of 12275148 is about 230.6794527014.

The spelling of 12275148 in words is "twelve million, two hundred seventy-five thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 1022929 2045858 3068787 4091716 6137574 12275148