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23142892 = 227973237
BaseRepresentation
bin101100001001…
…0000111101100
31121112210002011
41120102013230
521411033032
62144011004
7400465663
oct130220754
947483064
1023142892
1112077663
127900a64
134a43b26
143105dda
152072247
hex16121ec

23142892 has 12 divisors (see below), whose sum is σ = 41013280. Its totient is φ = 11424816.

The previous prime is 23142887. The next prime is 23142919. The reversal of 23142892 is 29824132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36303 + ... + 36934.

Almost surely, 223142892 is an apocalyptic number.

It is an amenable number.

23142892 is a deficient number, since it is larger than the sum of its proper divisors (17870388).

23142892 is a wasteful number, since it uses less digits than its factorization.

23142892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73320 (or 73318 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 23142892 is about 4810.7059772969. The cubic root of 23142892 is about 284.9744185513.

The spelling of 23142892 in words is "twenty-three million, one hundred forty-two thousand, eight hundred ninety-two".

Divisors: 1 2 4 79 158 316 73237 146474 292948 5785723 11571446 23142892