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23240334 = 2313297953
BaseRepresentation
bin101100010100…
…1111010001110
31121201201202010
41120221322032
521422142314
62150042050
7401353035
oct130517216
947651663
1023240334
1112133897
127949326
134a792a0
14312d71c
152091059
hex1629e8e

23240334 has 16 divisors (see below), whose sum is σ = 50056272. Its totient is φ = 7150848.

The previous prime is 23240291. The next prime is 23240381. The reversal of 23240334 is 43304232.

It is a super-2 number, since 2×232403342 = 1080226248863112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23240334.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148899 + ... + 149054.

It is an arithmetic number, because the mean of its divisors is an integer number (3128517).

Almost surely, 223240334 is an apocalyptic number.

23240334 is an abundant number, since it is smaller than the sum of its proper divisors (26815938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23240334 is a wasteful number, since it uses less digits than its factorization.

23240334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297971.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 23240334 is about 4820.8229587903. The cubic root of 23240334 is about 285.3738154173.

Adding to 23240334 its reverse (43304232), we get a palindrome (66544566).

The spelling of 23240334 in words is "twenty-three million, two hundred forty thousand, three hundred thirty-four".

Divisors: 1 2 3 6 13 26 39 78 297953 595906 893859 1787718 3873389 7746778 11620167 23240334