Base | Representation |
---|---|
bin | 1000010100000101110 |
3 | 111211201000 |
4 | 1002200232 |
5 | 32204210 |
6 | 5501130 |
7 | 2213154 |
oct | 1024056 |
9 | 454630 |
10 | 272430 |
11 | 176754 |
12 | 1117a6 |
13 | 97002 |
14 | 713d4 |
15 | 55ac0 |
hex | 4282e |
272430 has 32 divisors (see below), whose sum is σ = 727200. Its totient is φ = 72576.
The previous prime is 272423. The next prime is 272449. The reversal of 272430 is 34272.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
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 (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235 + ... + 774.
It is an arithmetic number, because the mean of its divisors is an integer number (22725).
2272430 is an apocalyptic number.
272430 is an abundant number, since it is smaller than the sum of its proper divisors (454770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
272430 is a wasteful number, since it uses less digits than its factorization.
272430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1025 (or 1019 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 18.
The square root of 272430 is about 521.9482732992. The cubic root of 272430 is about 64.8263610168.
The spelling of 272430 in words is "two hundred seventy-two thousand, four hundred thirty".
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