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23142893 = 195772111
BaseRepresentation
bin101100001001…
…0000111101101
31121112210002012
41120102013231
521411033033
62144011005
7400465664
oct130220755
947483065
1023142893
1112077664
127900a65
134a43b27
143105ddb
152072248
hex16121ed

23142893 has 8 divisors (see below), whose sum is σ = 24414720. Its totient is φ = 21876480.

The previous prime is 23142887. The next prime is 23142919. The reversal of 23142893 is 39824132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23142893 - 218 = 22880749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23142803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9908 + ... + 12018.

It is an arithmetic number, because the mean of its divisors is an integer number (3051840).

Almost surely, 223142893 is an apocalyptic number.

It is an amenable number.

23142893 is a deficient number, since it is larger than the sum of its proper divisors (1271827).

23142893 is a wasteful number, since it uses less digits than its factorization.

23142893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707.

The product of its digits is 10368, while the sum is 32.

The square root of 23142893 is about 4810.7060812317. The cubic root of 23142893 is about 284.9744226559.

The spelling of 23142893 in words is "twenty-three million, one hundred forty-two thousand, eight hundred ninety-three".

Divisors: 1 19 577 2111 10963 40109 1218047 23142893