Base | Representation |
---|---|
bin | 1010000011110… |
… | …11110000001001 |
3 | 12212210121101112 |
4 | 11001323300021 |
5 | 133101033334 |
6 | 12212500105 |
7 | 2043220433 |
oct | 501736011 |
9 | 185717345 |
10 | 84392969 |
11 | 43701761 |
12 | 2431a635 |
13 | 1463aa8b |
14 | b2cb653 |
15 | 76204ce |
hex | 507bc09 |
84392969 has 4 divisors (see below), whose sum is σ = 84419280. Its totient is φ = 84366660.
The previous prime is 84392963. The next prime is 84392983. The reversal of 84392969 is 96929348.
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.
It is a cyclic number.
It is not a de Polignac number, because 84392969 - 24 = 84392953 is a prime.
It is a super-2 number, since 2×843929692 = 14244346433269922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (84392963) 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, 7547 + ... + 15024.
It is an arithmetic number, because the mean of its divisors is an integer number (21104820).
Almost surely, 284392969 is an apocalyptic number.
It is an amenable number.
84392969 is a deficient number, since it is larger than the sum of its proper divisors (26311).
84392969 is a wasteful number, since it uses less digits than its factorization.
84392969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26310.
The product of its digits is 839808, while the sum is 50.
The square root of 84392969 is about 9186.5645918374. The cubic root of 84392969 is about 438.6337943292.
The spelling of 84392969 in words is "eighty-four million, three hundred ninety-two thousand, nine hundred sixty-nine".
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