Base | Representation |
---|---|
bin | 11010100011010… |
… | …001011010111101 |
3 | 1011001012102000210 |
4 | 122203101122331 |
5 | 1403014012023 |
6 | 112111343033 |
7 | 14016203514 |
oct | 3243213275 |
9 | 1131172023 |
10 | 445454013 |
11 | 2094a1214 |
12 | 105221a79 |
13 | 71397774 |
14 | 4323767b |
15 | 29191593 |
hex | 1a8d16bd |
445454013 has 8 divisors (see below), whose sum is σ = 594042400. Its totient is φ = 296917488.
The previous prime is 445453969. The next prime is 445454017. The reversal of 445454013 is 310454544.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 445454013 - 221 = 443356861 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (445454017) 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, 16923 + ... + 34311.
It is an arithmetic number, because the mean of its divisors is an integer number (74255300).
Almost surely, 2445454013 is an apocalyptic number.
It is an amenable number.
445454013 is a deficient number, since it is larger than the sum of its proper divisors (148588387).
445454013 is a wasteful number, since it uses less digits than its factorization.
445454013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25931.
The product of its (nonzero) digits is 19200, while the sum is 30.
The square root of 445454013 is about 21105.7815064972. The cubic root of 445454013 is about 763.7202251503.
The spelling of 445454013 in words is "four hundred forty-five million, four hundred fifty-four thousand, thirteen".
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