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23354442 = 2325921991
BaseRepresentation
bin101100100010…
…1110001001010
31121221112021100
41121011301022
521434320232
62152322230
7402336516
oct131056112
947845240
1023354442
11122015a1
1279a3376
134ab91c7
14315d146
1520b4c7c
hex1645c4a

23354442 has 24 divisors (see below), whose sum is σ = 51461280. Its totient is φ = 7652520.

The previous prime is 23354423. The next prime is 23354459. The reversal of 23354442 is 24445332.

It is a super-2 number, since 2×233544422 = 1090859922262728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9934 + ... + 12057.

It is an arithmetic number, because the mean of its divisors is an integer number (2144220).

Almost surely, 223354442 is an apocalyptic number.

23354442 is an abundant number, since it is smaller than the sum of its proper divisors (28106838).

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

23354442 is a wasteful number, since it uses less digits than its factorization.

23354442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22058 (or 22055 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 23354442 is about 4832.6433760417. The cubic root of 23354442 is about 285.8401065600.

Adding to 23354442 its reverse (24445332), we get a palindrome (47799774).

It can be divided in two parts, 233544 and 42, that added together give a triangular number (233586 = T683).

The spelling of 23354442 in words is "twenty-three million, three hundred fifty-four thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 59 118 177 354 531 1062 21991 43982 65973 131946 197919 395838 1297469 2594938 3892407 7784814 11677221 23354442