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252528219 = 33371132237
BaseRepresentation
bin11110000110101…
…00011001011011
3122121011202121000
433003110121123
51004121400334
641020320043
76154311606
oct1703243133
9577152530
10252528219
1111a600209
12706a3023
13404193a8
142577733d
1517283299
hexf0d465b

252528219 has 32 divisors (see below), whose sum is σ = 387800640. Its totient is φ = 162279936.

The previous prime is 252528191. The next prime is 252528229. The reversal of 252528219 is 912825252.

It is not a de Polignac number, because 252528219 - 219 = 252003931 is a prime.

It is a super-2 number, since 2×2525282192 = 127541002782623922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252528229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111769 + ... + 114005.

It is an arithmetic number, because the mean of its divisors is an integer number (12118770).

Almost surely, 2252528219 is an apocalyptic number.

252528219 is a deficient number, since it is larger than the sum of its proper divisors (135272421).

252528219 is a wasteful number, since it uses less digits than its factorization.

252528219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396 (or 2390 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 252528219 is about 15891.1364917680. The cubic root of 252528219 is about 632.0769773180.

The spelling of 252528219 in words is "two hundred fifty-two million, five hundred twenty-eight thousand, two hundred nineteen".

Divisors: 1 3 9 27 37 111 113 333 339 999 1017 2237 3051 4181 6711 12543 20133 37629 60399 82769 112887 248307 252781 744921 758343 2234763 2275029 6825087 9352897 28058691 84176073 252528219