Base | Representation |
---|---|
bin | 1001100110010… |
… | …11010101001101 |
3 | 12121112002000101 |
4 | 10303023111031 |
5 | 131103241441 |
6 | 11553531101 |
7 | 1665306442 |
oct | 463132515 |
9 | 177462011 |
10 | 80524621 |
11 | 414aa381 |
12 | 22b73a91 |
13 | 138b5108 |
14 | a9a19c9 |
15 | 7109231 |
hex | 4ccb54d |
80524621 has 8 divisors (see below), whose sum is σ = 82666880. Its totient is φ = 78410592.
The previous prime is 80524531. The next prime is 80524643. The reversal of 80524621 is 12642508.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80524621 - 217 = 80393549 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 80524621.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80524651) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1215 + ... + 12748.
It is an arithmetic number, because the mean of its divisors is an integer number (10333360).
Almost surely, 280524621 is an apocalyptic number.
It is an amenable number.
80524621 is a deficient number, since it is larger than the sum of its proper divisors (2142259).
80524621 is a wasteful number, since it uses less digits than its factorization.
80524621 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14115.
The product of its (nonzero) digits is 3840, while the sum is 28.
The square root of 80524621 is about 8973.5511922538. The cubic root of 80524621 is about 431.8267713238.
The spelling of 80524621 in words is "eighty million, five hundred twenty-four thousand, six hundred twenty-one".
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