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23453264 = 2437173229
BaseRepresentation
bin101100101110…
…1111001010000
31122010112211102
41121131321100
522001001024
62154403532
7403230602
oct131357120
948115742
1023453264
111226986a
127a305a8
134b22193
143187172
1520d41ae
hex165de50

23453264 has 40 divisors (see below), whose sum is σ = 47143560. Its totient is φ = 11294208.

The previous prime is 23453249. The next prime is 23453273. The reversal of 23453264 is 46235432.

It can be written as a sum of positive squares in 4 ways, for example, as 19009600 + 4443664 = 4360^2 + 2108^2 .

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, 102302 + ... + 102530.

It is an arithmetic number, because the mean of its divisors is an integer number (1178589).

Almost surely, 223453264 is an apocalyptic number.

It is an amenable number.

23453264 is an abundant number, since it is smaller than the sum of its proper divisors (23690296).

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

23453264 is a wasteful number, since it uses less digits than its factorization.

23453264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 441 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

The square root of 23453264 is about 4842.8570080067. The cubic root of 23453264 is about 286.2427072378.

Adding to 23453264 its reverse (46235432), we get a palindrome (69688696).

The spelling of 23453264 in words is "twenty-three million, four hundred fifty-three thousand, two hundred sixty-four".

Divisors: 1 2 4 8 16 37 74 148 173 229 296 346 458 592 692 916 1384 1832 2768 3664 6401 8473 12802 16946 25604 33892 39617 51208 67784 79234 102416 135568 158468 316936 633872 1465829 2931658 5863316 11726632 23453264