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252851825 = 5243235211
BaseRepresentation
bin11110001001000…
…11011001110001
3122121210012111102
433010203121301
51004212224300
641031254145
76160130222
oct1704433161
9577705442
10252851825
1111a801356
127081a355
1340500785
142581d249
15172e90d5
hexf123671

252851825 has 12 divisors (see below), whose sum is σ = 320829168. Its totient is φ = 197576400.

The previous prime is 252851813. The next prime is 252851827. The reversal of 252851825 is 528158252.

252851825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252851825 - 28 = 252851569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252851827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116531 + ... + 118680.

It is an arithmetic number, because the mean of its divisors is an integer number (26735764).

Almost surely, 2252851825 is an apocalyptic number.

252851825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252851825 is a deficient number, since it is larger than the sum of its proper divisors (67977343).

252851825 is a wasteful number, since it uses less digits than its factorization.

252851825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235264 (or 235259 counting only the distinct ones).

The product of its digits is 64000, while the sum is 38.

The square root of 252851825 is about 15901.3151971779. The cubic root of 252851825 is about 632.3468568498.

The spelling of 252851825 in words is "two hundred fifty-two million, eight hundred fifty-one thousand, eight hundred twenty-five".

Divisors: 1 5 25 43 215 1075 235211 1176055 5880275 10114073 50570365 252851825