Base | Representation |
---|---|
bin | 1001111011010… |
… | …10001101010010 |
3 | 12210200200102210 |
4 | 10331222031102 |
5 | 132304210110 |
6 | 12132452550 |
7 | 2030543025 |
oct | 475521522 |
9 | 183620383 |
10 | 83272530 |
11 | 43006980 |
12 | 23a7a156 |
13 | 14337ab3 |
14 | b0b91bc |
15 | 749d520 |
hex | 4f6a352 |
83272530 has 32 divisors (see below), whose sum is σ = 218023488. Its totient is φ = 20187200.
The previous prime is 83272529. The next prime is 83272531. The reversal of 83272530 is 3527238.
It is an interprime number because it is at equal distance from previous prime (83272529) and next prime (83272531).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (83272531) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125841 + ... + 126500.
It is an arithmetic number, because the mean of its divisors is an integer number (6813234).
Almost surely, 283272530 is an apocalyptic number.
83272530 is an abundant number, since it is smaller than the sum of its proper divisors (134750958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83272530 is a wasteful number, since it uses less digits than its factorization.
83272530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 252362.
The product of its (nonzero) digits is 10080, while the sum is 30.
The square root of 83272530 is about 9125.3783483207. The cubic root of 83272530 is about 436.6839733120.
Adding to 83272530 its reverse (3527238), we get a palindrome (86799768).
The spelling of 83272530 in words is "eighty-three million, two hundred seventy-two thousand, five hundred thirty".
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