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245690616 = 23353193153
BaseRepresentation
bin11101010010011…
…11000011111000
3122010022101011110
432221033003320
51000344044431
640214000320
76042223113
oct1651170370
9563271143
10245690616
1111675aaa6
126a3460a0
133bb94082
14248b757a
1516882346
hexea4f0f8

245690616 has 32 divisors (see below), whose sum is σ = 625818960. Its totient is φ = 80351232.

The previous prime is 245690609. The next prime is 245690617. The reversal of 245690616 is 616096542.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245690617) 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, 95305 + ... + 97848.

Almost surely, 2245690616 is an apocalyptic number.

It is an amenable number.

245690616 is an abundant number, since it is smaller than the sum of its proper divisors (380128344).

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

245690616 is a wasteful number, since it uses less digits than its factorization.

245690616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193215 (or 193211 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 245690616 is about 15674.5212367077. The cubic root of 245690616 is about 626.3198697348.

The spelling of 245690616 in words is "two hundred forty-five million, six hundred ninety thousand, six hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 53 106 159 212 318 424 636 1272 193153 386306 579459 772612 1158918 1545224 2317836 4635672 10237109 20474218 30711327 40948436 61422654 81896872 122845308 245690616