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252630414 = 2341559447
BaseRepresentation
bin11110000111011…
…01010110001110
3122121100221210000
433003231112032
51004133133124
641022425130
76155215551
oct1703552616
9577327700
10252630414
1111a66aa73
12707321a6
1340453a6a
14257a2698
15172a36c9
hexf0ed58e

252630414 has 20 divisors (see below), whose sum is σ = 566079624. Its totient is φ = 84210084.

The previous prime is 252630407. The next prime is 252630431. The reversal of 252630414 is 414036252.

252630414 is a `hidden beast` number, since 25 + 2 + 630 + 4 + 1 + 4 = 666.

252630414 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2526304142 = 127644252155622792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 779562 + ... + 779885.

Almost surely, 2252630414 is an apocalyptic number.

252630414 is an abundant number, since it is smaller than the sum of its proper divisors (313449210).

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

252630414 is a wasteful number, since it uses less digits than its factorization.

252630414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559461 (or 1559452 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 252630414 is about 15894.3516382393. The cubic root of 252630414 is about 632.1622303580.

Adding to 252630414 its reverse (414036252), we get a palindrome (666666666).

The spelling of 252630414 in words is "two hundred fifty-two million, six hundred thirty thousand, four hundred fourteen".

Divisors: 1 2 3 6 9 18 27 54 81 162 1559447 3118894 4678341 9356682 14035023 28070046 42105069 84210138 126315207 252630414