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23212344 = 2331756893
BaseRepresentation
bin101100010001…
…1000100111000
31121200022100110
41120203010320
521420243334
62145304320
7401205321
oct130430470
947608313
1023212344
1112114861
1279350a0
134a6961c
143123448
152087ae9
hex1623138

23212344 has 32 divisors (see below), whose sum is σ = 61445520. Its totient is φ = 7282176.

The previous prime is 23212331. The next prime is 23212349. The reversal of 23212344 is 44321232.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 23212344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212349) 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, 28039 + ... + 28854.

Almost surely, 223212344 is an apocalyptic number.

23212344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23212344 is an abundant number, since it is smaller than the sum of its proper divisors (38233176).

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

23212344 is a wasteful number, since it uses less digits than its factorization.

23212344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56919 (or 56915 counting only the distinct ones).

The product of its digits is 1152, while the sum is 21.

The square root of 23212344 is about 4817.9190528692. The cubic root of 23212344 is about 285.2592040133.

Adding to 23212344 its reverse (44321232), we get a palindrome (67533576).

The spelling of 23212344 in words is "twenty-three million, two hundred twelve thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 56893 113786 170679 227572 341358 455144 682716 967181 1365432 1934362 2901543 3868724 5803086 7737448 11606172 23212344