Base | Representation |
---|---|
bin | 10000000101011… |
… | …101000001010000 |
3 | 200210210120020111 |
4 | 100011131001100 |
5 | 1023041140130 |
6 | 42440051104 |
7 | 6454546354 |
oct | 2005350120 |
9 | 623716214 |
10 | 269865040 |
11 | 129371665 |
12 | 76463a94 |
13 | 43ba9573 |
14 | 27bab464 |
15 | 18a5a02a |
hex | 1015d050 |
269865040 has 40 divisors (see below), whose sum is σ = 628162920. Its totient is φ = 107821056.
The previous prime is 269865019. The next prime is 269865053. The reversal of 269865040 is 40568962.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 139996224 + 129868816 = 11832^2 + 11396^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a junction number, because it is equal to n+sod(n) for n = 269864984 and 269865002.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101812 + ... + 104428.
It is an arithmetic number, because the mean of its divisors is an integer number (15704073).
Almost surely, 2269865040 is an apocalyptic number.
269865040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
269865040 is an abundant number, since it is smaller than the sum of its proper divisors (358297880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
269865040 is a wasteful number, since it uses less digits than its factorization.
269865040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3919 (or 3913 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 40.
The square root of 269865040 is about 16427.5695098210. The cubic root of 269865040 is about 646.2226992446. Note that the first 3 decimals are identical.
The spelling of 269865040 in words is "two hundred sixty-nine million, eight hundred sixty-five thousand, forty".
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