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252214284 = 223719158029
BaseRepresentation
bin11110000100001…
…11110000001100
3122120120210221210
433002013300030
51004031324114
641005454420
76151533420
oct1702076014
9576523853
10252214284
1111a406363
1270571410
134033952a
14256d4b80
1517220259
hexf087c0c

252214284 has 48 divisors (see below), whose sum is σ = 707974400. Its totient is φ = 68268096.

The previous prime is 252214283. The next prime is 252214289. The reversal of 252214284 is 482412252.

It is a super-2 number, since 2×2522142842 = 127224090107265312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252214283) 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, 77419 + ... + 80610.

Almost surely, 2252214284 is an apocalyptic number.

It is an amenable number.

252214284 is an abundant number, since it is smaller than the sum of its proper divisors (455760116).

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

252214284 is a wasteful number, since it uses less digits than its factorization.

252214284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158062 (or 158060 counting only the distinct ones).

The product of its digits is 10240, while the sum is 30.

The square root of 252214284 is about 15881.2557438006. The cubic root of 252214284 is about 631.8149427472.

The spelling of 252214284 in words is "two hundred fifty-two million, two hundred fourteen thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 57 76 84 114 133 228 266 399 532 798 1596 158029 316058 474087 632116 948174 1106203 1896348 2212406 3002551 3318609 4424812 6005102 6637218 9007653 12010204 13274436 18015306 21017857 36030612 42035714 63053571 84071428 126107142 252214284