Base | Representation |
---|---|
bin | 10000000011110… |
… | …011000000101111 |
3 | 200202222111121200 |
4 | 100003303000233 |
5 | 1022433241311 |
6 | 42422500543 |
7 | 6451060425 |
oct | 2003630057 |
9 | 622874550 |
10 | 269430831 |
11 | 1290a540a |
12 | 76294753 |
13 | 43a86a37 |
14 | 27ad7115 |
15 | 189c1556 |
hex | 100f302f |
269430831 has 6 divisors (see below), whose sum is σ = 389177880. Its totient is φ = 179620548.
The previous prime is 269430817. The next prime is 269430869. The reversal of 269430831 is 138034962.
It is not a de Polignac number, because 269430831 - 219 = 268906543 is a prime.
It is a super-2 number, since 2×2694308312 = 145185945386701122, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (269420831) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14968371 + ... + 14968388.
It is an arithmetic number, because the mean of its divisors is an integer number (64862980).
Almost surely, 2269430831 is an apocalyptic number.
269430831 is a deficient number, since it is larger than the sum of its proper divisors (119747049).
269430831 is a wasteful number, since it uses less digits than its factorization.
269430831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29936765 (or 29936762 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 36.
The square root of 269430831 is about 16414.3483269973. The cubic root of 269430831 is about 645.8759254916.
The spelling of 269430831 in words is "two hundred sixty-nine million, four hundred thirty thousand, eight hundred thirty-one".
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