Base | Representation |
---|---|
bin | 1010000010101… |
… | …00101010111001 |
3 | 12212111110210122 |
4 | 11001110222321 |
5 | 133030423024 |
6 | 12205223025 |
7 | 2041652636 |
oct | 501245271 |
9 | 185443718 |
10 | 84232889 |
11 | 43602464 |
12 | 24261a75 |
13 | 145b2c60 |
14 | b28918d |
15 | 75dcd5e |
hex | 5054ab9 |
84232889 has 8 divisors (see below), whose sum is σ = 91611912. Its totient is φ = 76982400.
The previous prime is 84232879. The next prime is 84232891. The reversal of 84232889 is 98823248.
It can be written as a sum of positive squares in 4 ways, for example, as 46348864 + 37884025 = 6808^2 + 6155^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 84232889 - 24 = 84232873 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (84232879) 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, 30764 + ... + 33389.
It is an arithmetic number, because the mean of its divisors is an integer number (11451489).
Almost surely, 284232889 is an apocalyptic number.
It is an amenable number.
84232889 is a deficient number, since it is larger than the sum of its proper divisors (7379023).
84232889 is a wasteful number, since it uses less digits than its factorization.
84232889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64267.
The product of its digits is 221184, while the sum is 44.
The square root of 84232889 is about 9177.8477324480. The cubic root of 84232889 is about 438.3562793419.
The spelling of 84232889 in words is "eighty-four million, two hundred thirty-two thousand, eight hundred eighty-nine".
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