Base | Representation |
---|---|
bin | 1001100110101… |
… | …11100111011110 |
3 | 12121121122001010 |
4 | 10303113213132 |
5 | 131111344232 |
6 | 11555000050 |
7 | 1665606240 |
oct | 463274736 |
9 | 177548033 |
10 | 80574942 |
11 | 41534168 |
12 | 22b99026 |
13 | 13901ca6 |
14 | a9b6090 |
15 | 71190cc |
hex | 4cd79de |
80574942 has 16 divisors (see below), whose sum is σ = 184171392. Its totient is φ = 23021400.
The previous prime is 80574941. The next prime is 80574947. The reversal of 80574942 is 24947508.
It is a super-3 number, since 3×805749423 (a number of 25 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 80574942.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80574941) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959184 + ... + 959267.
It is an arithmetic number, because the mean of its divisors is an integer number (11510712).
Almost surely, 280574942 is an apocalyptic number.
80574942 is an abundant number, since it is smaller than the sum of its proper divisors (103596450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80574942 is a wasteful number, since it uses less digits than its factorization.
80574942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1918463.
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 80574942 is about 8976.3546052950. The cubic root of 80574942 is about 431.9167041907.
The spelling of 80574942 in words is "eighty million, five hundred seventy-four thousand, nine hundred forty-two".
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