Base | Representation |
---|---|
bin | 1001111001110… |
… | …11110100101100 |
3 | 12210100000211010 |
4 | 10330323310230 |
5 | 132232120130 |
6 | 12124425220 |
7 | 2026122102 |
oct | 474736454 |
9 | 183300733 |
10 | 83082540 |
11 | 42997162 |
12 | 239a8210 |
13 | 1429c488 |
14 | b069c72 |
15 | 74620b0 |
hex | 4f3bd2c |
83082540 has 48 divisors (see below), whose sum is σ = 233035488. Its totient is φ = 22116864.
The previous prime is 83082539. The next prime is 83082547. The reversal of 83082540 is 4528038.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 83082498 and 83082507.
It is not an unprimeable number, because it can be changed into a prime (83082547) 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, 56454 + ... + 57906.
It is an arithmetic number, because the mean of its divisors is an integer number (4854906).
Almost surely, 283082540 is an apocalyptic number.
It is an amenable number.
83082540 is an abundant number, since it is smaller than the sum of its proper divisors (149952948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83082540 is a wasteful number, since it uses less digits than its factorization.
83082540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2418 (or 2416 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 30.
The square root of 83082540 is about 9114.9624244974. The cubic root of 83082540 is about 436.3516157516.
The spelling of 83082540 in words is "eighty-three million, eighty-two thousand, five hundred forty".
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