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245690628 = 22323818599
BaseRepresentation
bin11101010010011…
…11000100000100
3122010022101011220
432221033010010
51000344100003
640214000340
76042223131
oct1651170404
9563271156
10245690628
11116760007
126a3460b0
133bb94091
14248b7588
1516882353
hexea4f104

245690628 has 24 divisors (see below), whose sum is σ = 573585600. Its totient is φ = 81852960.

The previous prime is 245690617. The next prime is 245690629. The reversal of 245690628 is 826096542.

245690628 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 245690628.

It is not an unprimeable number, because it can be changed into a prime (245690629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24273 + ... + 32871.

It is an arithmetic number, because the mean of its divisors is an integer number (23899400).

Almost surely, 2245690628 is an apocalyptic number.

It is an amenable number.

245690628 is an abundant number, since it is smaller than the sum of its proper divisors (327894972).

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

245690628 is a wasteful number, since it uses less digits than its factorization.

245690628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10987 (or 10985 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 245690628 is about 15674.5216194945. The cubic root of 245690628 is about 626.3198799317.

The spelling of 245690628 in words is "two hundred forty-five million, six hundred ninety thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 2381 4762 7143 8599 9524 14286 17198 25797 28572 34396 51594 103188 20474219 40948438 61422657 81896876 122845314 245690628