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252175630 = 25714292521
BaseRepresentation
bin11110000011111…
…10010100001110
3122120111211221011
433001332110032
51004024110010
641004555434
76151312630
oct1701762416
9576454834
10252175630
1111a38a313
1270552b7a
1340324a65
14256c4a50
1517213a8a
hexf07e50e

252175630 has 32 divisors (see below), whose sum is σ = 519330240. Its totient is φ = 86365440.

The previous prime is 252175597. The next prime is 252175639. The reversal of 252175630 is 36571252.

It is a junction number, because it is equal to n+sod(n) for n = 252175592 and 252175601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252175639) 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, 98770 + ... + 101290.

It is an arithmetic number, because the mean of its divisors is an integer number (16229070).

Almost surely, 2252175630 is an apocalyptic number.

252175630 is an abundant number, since it is smaller than the sum of its proper divisors (267154610).

252175630 is a wasteful number, since it uses less digits than its factorization.

252175630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 252175630 is about 15880.0387279125. The cubic root of 252175630 is about 631.7826640804.

The spelling of 252175630 in words is "two hundred fifty-two million, one hundred seventy-five thousand, six hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 1429 2521 2858 5042 7145 10003 12605 14290 17647 20006 25210 35294 50015 88235 100030 176470 3602509 7205018 18012545 25217563 36025090 50435126 126087815 252175630