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538838792 = 232922832
BaseRepresentation
bin100000000111100…
…000011100001000
31101112220211212022
4200013200130020
52100420320132
6125245104012
716232024402
oct4007403410
91345824768
10538838792
11257184618
12130558008
138783322b
14517c5b72
153248ae12
hex201e0708

538838792 has 36 divisors (see below), whose sum is σ = 1050073245. Its totient is φ = 259209888.

The previous prime is 538838791. The next prime is 538838827. The reversal of 538838792 is 297838835.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 538518436 + 320356 = 23206^2 + 566^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=16414.

It is a Duffinian number.

Its product of digits (2903040) is a multiple of the sum of its prime factors (630).

It is not an unprimeable number, because it can be changed into a prime (538838791) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1903883 + ... + 1904165.

Almost surely, 2538838792 is an apocalyptic number.

It is an amenable number.

538838792 is a deficient number, since it is larger than the sum of its proper divisors (511234453).

538838792 is an equidigital number, since it uses as much as digits as its factorization.

538838792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 314 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The square root of 538838792 is about 23212.9014127920. The cubic root of 538838792 is about 813.7411617386.

The spelling of 538838792 in words is "five hundred thirty-eight million, eight hundred thirty-eight thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 29 58 116 232 283 566 841 1132 1682 2264 3364 6728 8207 16414 32828 65656 80089 160178 238003 320356 476006 640712 952012 1904024 2322581 4645162 9290324 18580648 67354849 134709698 269419396 538838792