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23070079 = 181197647
BaseRepresentation
bin101100000000…
…0010101111111
31121102002012101
41120000111333
521401220304
62142245531
7400043464
oct130002577
947362171
1023070079
111202798a
1278868a7
134a19946
1430c766b
15205a8a4
hex160057f

23070079 has 8 divisors (see below), whose sum is σ = 23351328. Its totient is φ = 22790880.

The previous prime is 23070041. The next prime is 23070083. The reversal of 23070079 is 97007032.

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 a de Polignac number, because none of the positive numbers 2k-23070079 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 (23070779) 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, 35334 + ... + 35980.

It is an arithmetic number, because the mean of its divisors is an integer number (2918916).

Almost surely, 223070079 is an apocalyptic number.

23070079 is a deficient number, since it is larger than the sum of its proper divisors (281249).

23070079 is a wasteful number, since it uses less digits than its factorization.

23070079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 23070079 is about 4803.1322072165. The cubic root of 23070079 is about 284.6752389767.

The spelling of 23070079 in words is "twenty-three million, seventy thousand, seventy-nine".

Divisors: 1 181 197 647 35657 117107 127459 23070079