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23230454 = 213893479
BaseRepresentation
bin101100010011…
…1011111110110
31121201020012012
41120213133312
521421333304
62145524222
7401312162
oct130473766
947636165
1023230454
1112127425
127943672
134a74940
143129ca2
15208d16e
hex16277f6

23230454 has 8 divisors (see below), whose sum is σ = 37526160. Its totient is φ = 10721736.

The previous prime is 23230429. The next prime is 23230457. The reversal of 23230454 is 45403232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×232304542 = 1079307986092232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23230457) 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, 446714 + ... + 446765.

It is an arithmetic number, because the mean of its divisors is an integer number (4690770).

Almost surely, 223230454 is an apocalyptic number.

23230454 is a deficient number, since it is larger than the sum of its proper divisors (14295706).

23230454 is a wasteful number, since it uses less digits than its factorization.

23230454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893494.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 23230454 is about 4819.7981285527. The cubic root of 23230454 is about 285.3333700299. Note that the first 4 decimals are identical.

Adding to 23230454 its reverse (45403232), we get a palindrome (68633686).

The spelling of 23230454 in words is "twenty-three million, two hundred thirty thousand, four hundred fifty-four".

Divisors: 1 2 13 26 893479 1786958 11615227 23230454