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204153425 = 52717163421
BaseRepresentation
bin11000010101100…
…10001001010001
3112020011001211222
430022302021101
5404230402200
632131414425
75026163330
oct1412621121
9466131758
10204153425
11a526a543
1258454415
13333ac958
141d183d17
1512dc9d85
hexc2b2251

204153425 has 48 divisors (see below), whose sum is σ = 308944512. Its totient is φ = 130636800.

The previous prime is 204153419. The next prime is 204153517. The reversal of 204153425 is 524351402.

It is a happy number.

It is not a de Polignac number, because 204153425 - 24 = 204153409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204153394 and 204153403.

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 47 ways as a sum of consecutive naturals, for example, 484715 + ... + 485135.

It is an arithmetic number, because the mean of its divisors is an integer number (6436344).

Almost surely, 2204153425 is an apocalyptic number.

204153425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204153425 is a deficient number, since it is larger than the sum of its proper divisors (104791087).

204153425 is a wasteful number, since it uses less digits than its factorization.

204153425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 204153425 is about 14288.2267969122. The cubic root of 204153425 is about 588.8240726429.

The spelling of 204153425 in words is "two hundred four million, one hundred fifty-three thousand, four hundred twenty-five".

Divisors: 1 5 7 17 25 35 85 119 163 175 421 425 595 815 1141 2105 2771 2947 2975 4075 5705 7157 10525 13855 14735 19397 28525 35785 50099 68623 69275 73675 96985 178925 250495 343115 480361 484925 1166591 1252475 1715575 2401805 5832955 8166137 12009025 29164775 40830685 204153425