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252886469 = 1189972663
BaseRepresentation
bin11110001001010…
…11110111000101
3122121211222000112
433010223313011
51004214331334
641032122405
76160333223
oct1704536705
9577758015
10252886469
1111a825390
1270836405
1340513484
142582bb13
15173044ce
hexf12bdc5

252886469 has 16 divisors (see below), whose sum is σ = 281957760. Its totient is φ = 224885760.

The previous prime is 252886463. The next prime is 252886489. The reversal of 252886469 is 964688252.

It is not a de Polignac number, because 252886469 - 216 = 252820933 is a prime.

It is a super-2 number, since 2×2528864692 = 127903132406575922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252886463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93632 + ... + 96294.

It is an arithmetic number, because the mean of its divisors is an integer number (17622360).

Almost surely, 2252886469 is an apocalyptic number.

It is an amenable number.

252886469 is a deficient number, since it is larger than the sum of its proper divisors (29071291).

252886469 is a wasteful number, since it uses less digits than its factorization.

252886469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860.

The product of its digits is 1658880, while the sum is 50.

The square root of 252886469 is about 15902.4045037221. The cubic root of 252886469 is about 632.3757354550.

The spelling of 252886469 in words is "two hundred fifty-two million, eight hundred eighty-six thousand, four hundred sixty-nine".

Divisors: 1 11 89 97 979 1067 2663 8633 29293 94963 237007 258311 2607077 2841421 22989679 252886469