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245343995 = 5134780309
BaseRepresentation
bin11101001111110…
…10011011111011
3122002122202200122
432213322123323
51000302001440
640202323455
76036250421
oct1647723373
9562582618
10245343995
11116543636
126a1b958b
133baa2380
1424827111
15168147b5
hexe9fa6fb

245343995 has 16 divisors (see below), whose sum is σ = 323809920. Its totient is φ = 177320064.

The previous prime is 245343961. The next prime is 245344009. The reversal of 245343995 is 599343542.

It is a cyclic number.

It is not a de Polignac number, because 245343995 - 210 = 245342971 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37100 + ... + 43209.

It is an arithmetic number, because the mean of its divisors is an integer number (20238120).

Almost surely, 2245343995 is an apocalyptic number.

245343995 is a deficient number, since it is larger than the sum of its proper divisors (78465925).

245343995 is a wasteful number, since it uses less digits than its factorization.

245343995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80374.

The product of its digits is 583200, while the sum is 44.

The square root of 245343995 is about 15663.4605052651. The cubic root of 245343995 is about 626.0251931802.

The spelling of 245343995 in words is "two hundred forty-five million, three hundred forty-three thousand, nine hundred ninety-five".

Divisors: 1 5 13 47 65 235 611 3055 80309 401545 1044017 3774523 5220085 18872615 49068799 245343995