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12142295 = 511277797
BaseRepresentation
bin101110010100…
…011011010111
3211211220002122
4232110123113
511102023140
61112130155
7205131164
oct56243327
924756078
1012142295
116943760
12409695b
1326919b9
14188106b
1510ecab5
hexb946d7

12142295 has 16 divisors (see below), whose sum is σ = 15972768. Its totient is φ = 8787840.

The previous prime is 12142289. The next prime is 12142331. The reversal of 12142295 is 59224121.

It is not a de Polignac number, because 12142295 - 26 = 12142231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14837 + ... + 15633.

It is an arithmetic number, because the mean of its divisors is an integer number (998298).

Almost surely, 212142295 is an apocalyptic number.

12142295 is a deficient number, since it is larger than the sum of its proper divisors (3830473).

12142295 is a wasteful number, since it uses less digits than its factorization.

12142295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090.

The product of its digits is 1440, while the sum is 26.

The square root of 12142295 is about 3484.5796016162. The cubic root of 12142295 is about 229.8442234405.

The spelling of 12142295 in words is "twelve million, one hundred forty-two thousand, two hundred ninety-five".

Divisors: 1 5 11 55 277 797 1385 3047 3985 8767 15235 43835 220769 1103845 2428459 12142295