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538820625 = 354761673
BaseRepresentation
bin100000000111011…
…100000000010001
31101112212220221110
4200013130000101
52100414230000
6125244443533
716231620420
oct4007340021
91345786843
10538820625
11257171a02
121305495a9
1387827b95
14517bd2b7
1532485850
hex201dc011

538820625 has 80 divisors (see below), whose sum is σ = 1044365696. Its totient is φ = 241920000.

The previous prime is 538820567. The next prime is 538820651. The reversal of 538820625 is 526028835.

It is not a de Polignac number, because 538820625 - 26 = 538820561 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 800289 + ... + 800961.

Almost surely, 2538820625 is an apocalyptic number.

It is an amenable number.

538820625 is a deficient number, since it is larger than the sum of its proper divisors (505545071).

538820625 is an equidigital number, since it uses as much as digits as its factorization.

538820625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 538820625 is about 23212.5100969283. The cubic root of 538820625 is about 813.7320165162.

The spelling of 538820625 in words is "five hundred thirty-eight million, eight hundred twenty thousand, six hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 61 75 105 125 175 183 305 375 427 525 625 673 875 915 1281 1525 1875 2019 2135 2625 3365 4375 4575 4711 6405 7625 10095 10675 13125 14133 16825 22875 23555 32025 38125 41053 50475 53375 70665 84125 114375 117775 123159 160125 205265 252375 266875 287371 353325 420625 588875 615795 800625 862113 1026325 1261875 1436855 1766625 2944375 3078975 4310565 5131625 7184275 8833125 15394875 21552825 25658125 35921375 76974375 107764125 179606875 538820625