Base | Representation |
---|---|
bin | 11011010011111… |
… | …110001000111010 |
3 | 1011221012222210110 |
4 | 123103332020322 |
5 | 1414301020330 |
6 | 113245125150 |
7 | 14232543426 |
oct | 3323761072 |
9 | 1157188713 |
10 | 458220090 |
11 | 215720599 |
12 | 1095597b6 |
13 | 73c17363 |
14 | 44bdbb86 |
15 | 2a363db0 |
hex | 1b4fe23a |
458220090 has 16 divisors (see below), whose sum is σ = 1099728288. Its totient is φ = 122192016.
The previous prime is 458220089. The next prime is 458220101. The reversal of 458220090 is 90022854.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 15274003 = 458220090 / (4 + 5 + 8 + 2 + 2 + 0 + 0 + 9 + 0).
It is a Curzon number.
It is an unprimeable number.
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, 7636972 + ... + 7637031.
It is an arithmetic number, because the mean of its divisors is an integer number (68733018).
Almost surely, 2458220090 is an apocalyptic number.
458220090 is an abundant number, since it is smaller than the sum of its proper divisors (641508198).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
458220090 is a wasteful number, since it uses less digits than its factorization.
458220090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15274013.
The product of its (nonzero) digits is 5760, while the sum is 30.
The square root of 458220090 is about 21406.0760065921. The cubic root of 458220090 is about 770.9473301155.
The spelling of 458220090 in words is "four hundred fifty-eight million, two hundred twenty thousand, ninety".
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