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252969198 = 23199211867
BaseRepresentation
bin11110001010000…
…00000011101110
3122122000011111120
433011000003232
51004230003243
641034001410
76161126346
oct1705000356
9578004446
10252969198
1111a881559
1270876266
1340542021
142584dd26
151731dc83
hexf1400ee

252969198 has 16 divisors (see below), whose sum is σ = 508483200. Its totient is φ = 83898936.

The previous prime is 252969191. The next prime is 252969209. The reversal of 252969198 is 891969252.

It is a self number, because there is not a number n which added to its sum of digits gives 252969198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252969191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104740 + ... + 107127.

It is an arithmetic number, because the mean of its divisors is an integer number (31780200).

Almost surely, 2252969198 is an apocalyptic number.

252969198 is an abundant number, since it is smaller than the sum of its proper divisors (255514002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252969198 is a wasteful number, since it uses less digits than its factorization.

252969198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212071.

The product of its digits is 699840, while the sum is 51.

The square root of 252969198 is about 15905.0054385404. The cubic root of 252969198 is about 632.4446861698. Note that the first 3 decimals are identical.

The spelling of 252969198 in words is "two hundred fifty-two million, nine hundred sixty-nine thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 199 398 597 1194 211867 423734 635601 1271202 42161533 84323066 126484599 252969198