Base | Representation |
---|---|
bin | 1011010011110… |
… | …00001111111101 |
3 | 20121111121110121 |
4 | 11221320033331 |
5 | 143241130011 |
6 | 13225134541 |
7 | 2231222353 |
oct | 551701775 |
9 | 217447417 |
10 | 94864381 |
11 | 49604017 |
12 | 2792a451 |
13 | 16866091 |
14 | c8557d3 |
15 | 84dce71 |
hex | 5a783fd |
94864381 has 4 divisors (see below), whose sum is σ = 95751072. Its totient is φ = 93977692.
The previous prime is 94864373. The next prime is 94864387. The reversal of 94864381 is 18346849.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18346849 = 383 ⋅47903.
It is a cyclic number.
It is not a de Polignac number, because 94864381 - 23 = 94864373 is a prime.
It is a super-2 number, since 2×948643812 = 17998501565026322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (94864387) 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 3 ways as a sum of consecutive naturals, for example, 443185 + ... + 443398.
It is an arithmetic number, because the mean of its divisors is an integer number (23937768).
Almost surely, 294864381 is an apocalyptic number.
It is an amenable number.
94864381 is a deficient number, since it is larger than the sum of its proper divisors (886691).
94864381 is a wasteful number, since it uses less digits than its factorization.
94864381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 886690.
The product of its digits is 165888, while the sum is 43.
The square root of 94864381 is about 9739.8347521916. The cubic root of 94864381 is about 456.0730316110.
The spelling of 94864381 in words is "ninety-four million, eight hundred sixty-four thousand, three hundred eighty-one".
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