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23197142 = 267331523
BaseRepresentation
bin101100001111…
…1010111010110
31121122112111102
41120133113112
521414302032
62145110102
7401113103
oct130372726
947575442
1023197142
11121043a1
127928332
134a62727
14311baaa
152083362
hex161f5d6

23197142 has 16 divisors (see below), whose sum is σ = 35489472. Its totient is φ = 11369160.

The previous prime is 23197127. The next prime is 23197151. The reversal of 23197142 is 24179132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44093 + ... + 44615.

It is an arithmetic number, because the mean of its divisors is an integer number (2218092).

Almost surely, 223197142 is an apocalyptic number.

23197142 is a deficient number, since it is larger than the sum of its proper divisors (12292330).

23197142 is a wasteful number, since it uses less digits than its factorization.

23197142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923.

The product of its digits is 3024, while the sum is 29.

The square root of 23197142 is about 4816.3411424026. The cubic root of 23197142 is about 285.1969173633.

The spelling of 23197142 in words is "twenty-three million, one hundred ninety-seven thousand, one hundred forty-two".

Divisors: 1 2 67 134 331 523 662 1046 22177 35041 44354 70082 173113 346226 11598571 23197142