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252225897 = 37111091887
BaseRepresentation
bin11110000100010…
…10100101101001
3122120121101212220
433002022211221
51004032212042
641010024253
76151612320
oct1702124551
9576541786
10252225897
1111a414060
1270578089
13403418c1
14256d90b7
15172238ec
hexf08a969

252225897 has 16 divisors (see below), whose sum is σ = 419284992. Its totient is φ = 131026320.

The previous prime is 252225871. The next prime is 252225901. The reversal of 252225897 is 798522252.

It is not a de Polignac number, because 252225897 - 27 = 252225769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252225097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545713 + ... + 546174.

It is an arithmetic number, because the mean of its divisors is an integer number (26205312).

Almost surely, 2252225897 is an apocalyptic number.

It is an amenable number.

252225897 is a deficient number, since it is larger than the sum of its proper divisors (167059095).

252225897 is a wasteful number, since it uses less digits than its factorization.

252225897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091908.

The product of its digits is 201600, while the sum is 42.

The square root of 252225897 is about 15881.6213592945. The cubic root of 252225897 is about 631.8246397321.

The spelling of 252225897 in words is "two hundred fifty-two million, two hundred twenty-five thousand, eight hundred ninety-seven".

Divisors: 1 3 7 11 21 33 77 231 1091887 3275661 7643209 12010757 22929627 36032271 84075299 252225897