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23274081 = 333732311
BaseRepresentation
bin101100011001…
…0001001100001
31121210110001000
41120302021201
521424232311
62150502213
7401553315
oct130621141
947713030
1023274081
1112157186
127964969
134a8b75c
14313bb45
15209b056
hex1632261

23274081 has 16 divisors (see below), whose sum is σ = 34587520. Its totient is φ = 15467760.

The previous prime is 23274061. The next prime is 23274089. The reversal of 23274081 is 18047232.

It is not a de Polignac number, because 23274081 - 214 = 23257697 is a prime.

It is a super-2 number, since 2×232740812 = 1083365692789122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23274089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8916 + ... + 11226.

It is an arithmetic number, because the mean of its divisors is an integer number (2161720).

Almost surely, 223274081 is an apocalyptic number.

It is an amenable number.

23274081 is a deficient number, since it is larger than the sum of its proper divisors (11313439).

23274081 is a wasteful number, since it uses less digits than its factorization.

23274081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693 (or 2687 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 23274081 is about 4824.3218176237. The cubic root of 23274081 is about 285.5118778688.

The spelling of 23274081 in words is "twenty-three million, two hundred seventy-four thousand, eighty-one".

Divisors: 1 3 9 27 373 1119 2311 3357 6933 10071 20799 62397 862003 2586009 7758027 23274081