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23948091 = 322660899
BaseRepresentation
bin101101101011…
…0101100111011
31200001200121100
41123112230323
522112314331
62213142443
7410361336
oct133265473
950050540
1023948091
1112577612
12802aa23
134c6648b
14327561d
152180ae6
hex16d6b3b

23948091 has 6 divisors (see below), whose sum is σ = 34591700. Its totient is φ = 15965388.

The previous prime is 23948081. The next prime is 23948101. The reversal of 23948091 is 19084932.

It is an interprime number because it is at equal distance from previous prime (23948081) and next prime (23948101).

It is not a de Polignac number, because 23948091 - 29 = 23947579 is a prime.

It is a super-2 number, since 2×239480912 = 1147022125088562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23948021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1330441 + ... + 1330458.

Almost surely, 223948091 is an apocalyptic number.

23948091 is a deficient number, since it is larger than the sum of its proper divisors (10643609).

23948091 is a wasteful number, since it uses less digits than its factorization.

23948091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660905 (or 2660902 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 23948091 is about 4893.6786776412. The cubic root of 23948091 is about 288.2418035810.

The spelling of 23948091 in words is "twenty-three million, nine hundred forty-eight thousand, ninety-one".

Divisors: 1 3 9 2660899 7982697 23948091