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538830400 = 2652336769
BaseRepresentation
bin100000000111011…
…110011001000000
31101112220102100111
4200013132121000
52100420033100
6125245001104
716231661053
oct4007363100
91345812314
10538830400
11257179289
12130553194
138782c474
14517c2a9a
15324886ba
hex201de640

538830400 has 42 divisors (see below), whose sum is σ = 1325863490. Its totient is φ = 215531520.

The previous prime is 538830349. The next prime is 538830427. The reversal of 538830400 is 4038835.

It can be written as a sum of positive squares in 3 ways, for example, as 34199104 + 504631296 = 5848^2 + 22464^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166785 + ... + 169984.

Almost surely, 2538830400 is an apocalyptic number.

538830400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

538830400 is an abundant number, since it is smaller than the sum of its proper divisors (787033090).

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

538830400 is a wasteful number, since it uses less digits than its factorization.

538830400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336791 (or 336776 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 538830400 is about 23212.7206505399. The cubic root of 538830400 is about 813.7369372523.

The spelling of 538830400 in words is "five hundred thirty-eight million, eight hundred thirty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 320 400 800 1600 336769 673538 1347076 1683845 2694152 3367690 5388304 6735380 8419225 10776608 13470760 16838450 21553216 26941520 33676900 53883040 67353800 107766080 134707600 269415200 538830400