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245272085 = 5478291259
BaseRepresentation
bin11101001111010…
…00111000010101
3122002112010001022
432213220320111
51000242201320
640201010525
76035530652
oct1647507025
9562463038
10245272085
111164a4603
126a183a45
133ba78716
1424808c29
15167ed325
hexe9e8e15

245272085 has 16 divisors (see below), whose sum is σ = 301190400. Its totient is φ = 191658816.

The previous prime is 245272067. The next prime is 245272099. The reversal of 245272085 is 580272542.

It is a cyclic number.

It is not a de Polignac number, because 245272085 - 26 = 245272021 is a prime.

It is a congruent number.

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, 194186 + ... + 195444.

It is an arithmetic number, because the mean of its divisors is an integer number (18824400).

Almost surely, 2245272085 is an apocalyptic number.

It is an amenable number.

245272085 is a deficient number, since it is larger than the sum of its proper divisors (55918315).

245272085 is a wasteful number, since it uses less digits than its factorization.

245272085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140.

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 245272085 is about 15661.1648672760. The cubic root of 245272085 is about 625.9640248187.

The spelling of 245272085 in words is "two hundred forty-five million, two hundred seventy-two thousand, eighty-five".

Divisors: 1 5 47 235 829 1259 4145 6295 38963 59173 194815 295865 1043711 5218555 49054417 245272085