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252581325 = 35217397499
BaseRepresentation
bin11110000111000…
…01010111001101
3122121021110102220
433003201113031
51004130100300
641021405553
76154622463
oct1703412715
9577243386
10252581325
1111a6370a7
12707098b9
1340437609
142578c833
1517293da0
hexf0e15cd

252581325 has 48 divisors (see below), whose sum is σ = 444168000. Its totient is φ = 126213120.

The previous prime is 252581309. The next prime is 252581327. The reversal of 252581325 is 523185252.

It is not a de Polignac number, because 252581325 - 24 = 252581309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252581327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 505926 + ... + 506424.

It is an arithmetic number, because the mean of its divisors is an integer number (9253500).

Almost surely, 2252581325 is an apocalyptic number.

252581325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252581325 is a deficient number, since it is larger than the sum of its proper divisors (191586675).

252581325 is a wasteful number, since it uses less digits than its factorization.

252581325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926 (or 921 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

The square root of 252581325 is about 15892.8073353955. The cubic root of 252581325 is about 632.1212822374.

The spelling of 252581325 in words is "two hundred fifty-two million, five hundred eighty-one thousand, three hundred twenty-five".

Divisors: 1 3 5 15 17 25 51 75 85 255 397 425 499 1191 1275 1497 1985 2495 5955 6749 7485 8483 9925 12475 20247 25449 29775 33745 37425 42415 101235 127245 168725 198103 212075 506175 594309 636225 990515 2971545 3367751 4952575 10103253 14857725 16838755 50516265 84193775 252581325