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1232742944 = 2538523217
BaseRepresentation
bin100100101111010…
…0010101000100000
310011220121211102002
41021132202220200
510011040233234
6322153543132
742356066516
oct11136425040
93156554362
101232742944
11582940024
122a4a14aa8
13168519ac4
14b9a144b6
157335727e
hex497a2a20

1232742944 has 12 divisors (see below), whose sum is σ = 2426962734. Its totient is φ = 616371456.

The previous prime is 1232742919. The next prime is 1232743019. The reversal of 1232742944 is 4492472321.

It can be written as a sum of positive squares in only one way, i.e., 1143251344 + 89491600 = 33812^2 + 9460^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1232742898 and 1232742907.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19261577 + ... + 19261640.

Almost surely, 21232742944 is an apocalyptic number.

It is an amenable number.

1232742944 is a deficient number, since it is larger than the sum of its proper divisors (1194219790).

1232742944 is an equidigital number, since it uses as much as digits as its factorization.

1232742944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38523227 (or 38523219 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 1232742944 is about 35110.4392453299. The cubic root of 1232742944 is about 1072.2371291717.

The spelling of 1232742944 in words is "one billion, two hundred thirty-two million, seven hundred forty-two thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 32 38523217 77046434 154092868 308185736 616371472 1232742944