Base | Representation |
---|---|
bin | 11101010010010… |
… | …10100100001101 |
3 | 122010021102220120 |
4 | 32221022210031 |
5 | 1000343002310 |
6 | 40213335153 |
7 | 6042115332 |
oct | 1651124415 |
9 | 563242816 |
10 | 245672205 |
11 | 116748189 |
12 | 6a3374b9 |
13 | 3bb8888c |
14 | 248b0989 |
15 | 1687bb70 |
hex | ea4a90d |
245672205 has 32 divisors (see below), whose sum is σ = 405070848. Its totient is φ = 127065600.
The previous prime is 245672173. The next prime is 245672213. The reversal of 245672205 is 502276542.
It is not a de Polignac number, because 245672205 - 25 = 245672173 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110212 + ... + 112418.
It is an arithmetic number, because the mean of its divisors is an integer number (12658464).
Almost surely, 2245672205 is an apocalyptic number.
It is an amenable number.
245672205 is a deficient number, since it is larger than the sum of its proper divisors (159398643).
245672205 is a wasteful number, since it uses less digits than its factorization.
245672205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2437.
The product of its (nonzero) digits is 33600, while the sum is 33.
The square root of 245672205 is about 15673.9339350400. The cubic root of 245672205 is about 626.3042247700.
The spelling of 245672205 in words is "two hundred forty-five million, six hundred seventy-two thousand, two hundred five".
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