Base | Representation |
---|---|
bin | 1001100100111… |
… | …00000111101010 |
3 | 12121011020202012 |
4 | 10302130013222 |
5 | 131031044432 |
6 | 11545435522 |
7 | 1663542605 |
oct | 462340752 |
9 | 177136665 |
10 | 80331242 |
11 | 41388062 |
12 | 22a9bba2 |
13 | 138480a4 |
14 | a95133c |
15 | 70bbcb2 |
hex | 4c9c1ea |
80331242 has 4 divisors (see below), whose sum is σ = 120496866. Its totient is φ = 40165620.
The previous prime is 80331241. The next prime is 80331257. The reversal of 80331242 is 24213308.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 44102881 + 36228361 = 6641^2 + 6019^2 .
It is not an unprimeable number, because it can be changed into a prime (80331241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20082809 + ... + 20082812.
Almost surely, 280331242 is an apocalyptic number.
80331242 is a deficient number, since it is larger than the sum of its proper divisors (40165624).
80331242 is a wasteful number, since it uses less digits than its factorization.
80331242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40165623.
The product of its (nonzero) digits is 1152, while the sum is 23.
The square root of 80331242 is about 8962.7697727879. The cubic root of 80331242 is about 431.4808184797.
The spelling of 80331242 in words is "eighty million, three hundred thirty-one thousand, two hundred forty-two".
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