Base | Representation |
---|---|
bin | 11110110111011100001001 |
3 | 120020002022112 |
4 | 132313130021 |
5 | 4032411101 |
6 | 445232105 |
7 | 125530043 |
oct | 36673411 |
9 | 16202275 |
10 | 8091401 |
11 | 462720a |
12 | 2862635 |
13 | 18a3c16 |
14 | 1108a93 |
15 | a9c6bb |
hex | 7b7709 |
8091401 has 4 divisors (see below), whose sum is σ = 8097552. Its totient is φ = 8085252.
The previous prime is 8091367. The next prime is 8091409. The reversal of 8091401 is 1041908.
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 a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-8091401 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8091409) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215 + ... + 4028.
It is an arithmetic number, because the mean of its divisors is an integer number (2024388).
Almost surely, 28091401 is an apocalyptic number.
It is an amenable number.
8091401 is a deficient number, since it is larger than the sum of its proper divisors (6151).
8091401 is a wasteful number, since it uses less digits than its factorization.
8091401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6150.
The product of its (nonzero) digits is 288, while the sum is 23.
The square root of 8091401 is about 2844.5388026884. The cubic root of 8091401 is about 200.7587925288.
The spelling of 8091401 in words is "eight million, ninety-one thousand, four hundred one".
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