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23195941 = 191220839
BaseRepresentation
bin101100001111…
…1000100100101
31121122110211221
41120133010211
521414232231
62145100341
7401106436
oct130370445
947573757
1023195941
11121034aa
1279276b1
134a62012
14311b48d
152082d11
hex161f125

23195941 has 4 divisors (see below), whose sum is σ = 24416800. Its totient is φ = 21975084.

The previous prime is 23195917. The next prime is 23195947. The reversal of 23195941 is 14959132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23195941 - 27 = 23195813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23195897 and 23195906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23195947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610401 + ... + 610438.

It is an arithmetic number, because the mean of its divisors is an integer number (6104200).

Almost surely, 223195941 is an apocalyptic number.

It is an amenable number.

23195941 is a deficient number, since it is larger than the sum of its proper divisors (1220859).

23195941 is a wasteful number, since it uses less digits than its factorization.

23195941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220858.

The product of its digits is 9720, while the sum is 34.

The square root of 23195941 is about 4816.2164610823. The cubic root of 23195941 is about 285.1919953861.

The spelling of 23195941 in words is "twenty-three million, one hundred ninety-five thousand, nine hundred forty-one".

Divisors: 1 19 1220839 23195941