Base | Representation |
---|---|
bin | 1001100111001… |
… | …01001011001010 |
3 | 12121201110012212 |
4 | 10303211023022 |
5 | 131120133344 |
6 | 12000105122 |
7 | 1666230161 |
oct | 463451312 |
9 | 177643185 |
10 | 80630474 |
11 | 41571961 |
12 | 230051a2 |
13 | 13921352 |
14 | a9cc3d8 |
15 | 712a79e |
hex | 4ce52ca |
80630474 has 32 divisors (see below), whose sum is σ = 128701440. Its totient is φ = 37836288.
The previous prime is 80630467. The next prime is 80630483. The reversal of 80630474 is 47403608.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 80630474.
It is an unprimeable number.
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 in 15 ways as a sum of consecutive naturals, for example, 337247 + ... + 337485.
It is an arithmetic number, because the mean of its divisors is an integer number (4021920).
Almost surely, 280630474 is an apocalyptic number.
80630474 is a deficient number, since it is larger than the sum of its proper divisors (48070966).
80630474 is a wasteful number, since it uses less digits than its factorization.
80630474 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 422.
The product of its (nonzero) digits is 16128, while the sum is 32.
The square root of 80630474 is about 8979.4473103861. The cubic root of 80630474 is about 432.0159066217.
The spelling of 80630474 in words is "eighty million, six hundred thirty thousand, four hundred seventy-four".
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