Base | Representation |
---|---|
bin | 1001101001100… |
… | …10010100101010 |
3 | 12122022111200120 |
4 | 10310302110222 |
5 | 131210241344 |
6 | 12010544110 |
7 | 2002014360 |
oct | 464622452 |
9 | 178274616 |
10 | 80946474 |
11 | 41768314 |
12 | 23138036 |
13 | 13a0212b |
14 | aa71630 |
15 | 718e219 |
hex | 4d3252a |
80946474 has 16 divisors (see below), whose sum is σ = 185020608. Its totient is φ = 23127552.
The previous prime is 80946473. The next prime is 80946521. The reversal of 80946474 is 47464908.
It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1927297 = 80946474 / (8 + 0 + 9 + 4 + 6 + 4 + 7 + 4).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (80946473) 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, 963607 + ... + 963690.
It is an arithmetic number, because the mean of its divisors is an integer number (11563788).
Almost surely, 280946474 is an apocalyptic number.
80946474 is an abundant number, since it is smaller than the sum of its proper divisors (104074134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80946474 is a wasteful number, since it uses less digits than its factorization.
80946474 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1927309.
The product of its (nonzero) digits is 193536, while the sum is 42.
The square root of 80946474 is about 8997.0258419102. The cubic root of 80946474 is about 432.5795441030.
The spelling of 80946474 in words is "eighty million, nine hundred forty-six thousand, four hundred seventy-four".
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