Base | Representation |
---|---|
bin | 10000000101111… |
… | …011100101100101 |
3 | 200211000220222201 |
4 | 100011323211211 |
5 | 1023104141440 |
6 | 42442454501 |
7 | 6455610400 |
oct | 2005734545 |
9 | 624026881 |
10 | 269990245 |
11 | 129447738 |
12 | 76504431 |
13 | 43c21555 |
14 | 27c00d37 |
15 | 18a8219a |
hex | 1017b965 |
269990245 has 12 divisors (see below), whose sum is σ = 376884684. Its totient is φ = 185136000.
The previous prime is 269990197. The next prime is 269990251. The reversal of 269990245 is 542099962.
It can be written as a sum of positive squares in 2 ways, for example, as 207532836 + 62457409 = 14406^2 + 7903^2 .
It is not a de Polignac number, because 269990245 - 27 = 269990117 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 269990195 and 269990204.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 550756 + ... + 551245.
It is an arithmetic number, because the mean of its divisors is an integer number (31407057).
Almost surely, 2269990245 is an apocalyptic number.
It is an amenable number.
269990245 is a deficient number, since it is larger than the sum of its proper divisors (106894439).
269990245 is a wasteful number, since it uses less digits than its factorization.
269990245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1102020 (or 1102013 counting only the distinct ones).
The product of its (nonzero) digits is 349920, while the sum is 46.
The square root of 269990245 is about 16431.3798872767. The cubic root of 269990245 is about 646.3226230231.
The spelling of 269990245 in words is "two hundred sixty-nine million, nine hundred ninety thousand, two hundred forty-five".
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