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23032425440 = 255362339733
BaseRepresentation
bin10101011100110101…
…101110101111100000
32012110011120102221002
4111130311232233200
5334132300103230
614325252451132
71443523246253
oct253465565740
965404512832
1023032425440
11984a227152
124569619aa8
132230a0310b
141186d2d09a
158ec0b7545
hex55cd6ebe0

23032425440 has 48 divisors (see below), whose sum is σ = 54430494048. Its totient is φ = 9210195456.

The previous prime is 23032425439. The next prime is 23032425473. The reversal of 23032425440 is 4452423032.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559814 + ... + 599546.

It is an arithmetic number, because the mean of its divisors is an integer number (1133968626).

Almost surely, 223032425440 is an apocalyptic number.

23032425440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23032425440 is an abundant number, since it is smaller than the sum of its proper divisors (31398068608).

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

23032425440 is a wasteful number, since it uses less digits than its factorization.

23032425440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43371 (or 43363 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 23032425440 its reverse (4452423032), we get a palindrome (27484848472).

The spelling of 23032425440 in words is "twenty-three billion, thirty-two million, four hundred twenty-five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 3623 7246 14492 18115 28984 36230 39733 57968 72460 79466 115936 144920 158932 198665 289840 317864 397330 579680 635728 794660 1271456 1589320 3178640 6357280 143952659 287905318 575810636 719763295 1151621272 1439526590 2303242544 2879053180 4606485088 5758106360 11516212720 23032425440