Search a number
-
+
245827630 = 25375911261
BaseRepresentation
bin11101010011100…
…00100000101110
3122010120100010001
432221300200232
51000412441010
640220534514
76043333426
oct1651604056
9563510101
10245827630
11116843a34
126a3b143a
133bc11549
1424911486
15168acc3a
hexea7082e

245827630 has 32 divisors (see below), whose sum is σ = 462192480. Its totient is φ = 94043520.

The previous prime is 245827609. The next prime is 245827649. The reversal of 245827630 is 36728542.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 245827630.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16200 + ... + 27460.

It is an arithmetic number, because the mean of its divisors is an integer number (14443515).

Almost surely, 2245827630 is an apocalyptic number.

245827630 is a deficient number, since it is larger than the sum of its proper divisors (216364850).

245827630 is a wasteful number, since it uses less digits than its factorization.

245827630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11364.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 245827630 is about 15678.8912235528. The cubic root of 245827630 is about 626.4362744568.

The spelling of 245827630 in words is "two hundred forty-five million, eight hundred twenty-seven thousand, six hundred thirty".

Divisors: 1 2 5 10 37 59 74 118 185 295 370 590 2183 4366 10915 11261 21830 22522 56305 112610 416657 664399 833314 1328798 2083285 3321995 4166570 6643990 24582763 49165526 122913815 245827630