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245745086 = 2432857501
BaseRepresentation
bin11101010010111…
…00010110111110
3122010102010212212
432221130112332
51000402320321
640215100422
76042540656
oct1651342676
9563363785
10245745086
11116797a14
126a371712
133bbb2ac2
14248cd366
151689355b
hexea5c5be

245745086 has 8 divisors (see below), whose sum is σ = 377190264. Its totient is φ = 120015000.

The previous prime is 245745077. The next prime is 245745113. The reversal of 245745086 is 680547542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1428665 + ... + 1428836.

It is an arithmetic number, because the mean of its divisors is an integer number (47148783).

Almost surely, 2245745086 is an apocalyptic number.

245745086 is a deficient number, since it is larger than the sum of its proper divisors (131445178).

245745086 is a wasteful number, since it uses less digits than its factorization.

245745086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857546.

The product of its (nonzero) digits is 268800, while the sum is 41.

The square root of 245745086 is about 15676.2586735484. The cubic root of 245745086 is about 626.3661516849.

The spelling of 245745086 in words is "two hundred forty-five million, seven hundred forty-five thousand, eighty-six".

Divisors: 1 2 43 86 2857501 5715002 122872543 245745086