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23254369 = 731572029
BaseRepresentation
bin101100010110…
…1010101100001
31121202102222221
41120231111201
521423114434
62150231041
7401441665
oct130552541
947672887
1023254369
1112143396
127955481
134a827a8
1431348a5
1520952b4
hex162d561

23254369 has 8 divisors (see below), whose sum is σ = 23734760. Its totient is φ = 22778496.

The previous prime is 23254349. The next prime is 23254373. The reversal of 23254369 is 96345232.

It can be written as a sum of positive squares in 4 ways, for example, as 8928144 + 14326225 = 2988^2 + 3785^2 .

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-23254369 is a prime.

It is a super-2 number, since 2×232543692 = 1081531355176322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23254349) 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, 10447 + ... + 12475.

It is an arithmetic number, because the mean of its divisors is an integer number (2966845).

Almost surely, 223254369 is an apocalyptic number.

It is an amenable number.

23254369 is a deficient number, since it is larger than the sum of its proper divisors (480391).

23254369 is a wasteful number, since it uses less digits than its factorization.

23254369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259.

The product of its digits is 38880, while the sum is 34.

The square root of 23254369 is about 4822.2784034106. The cubic root of 23254369 is about 285.4312502704.

The spelling of 23254369 in words is "twenty-three million, two hundred fifty-four thousand, three hundred sixty-nine".

Divisors: 1 73 157 2029 11461 148117 318553 23254369