Base | Representation |
---|---|
bin | 1001111100110… |
… | …10010010110010 |
3 | 12211001200121121 |
4 | 10332122102302 |
5 | 132332010430 |
6 | 12141012454 |
7 | 2032323166 |
oct | 476322262 |
9 | 184050547 |
10 | 83469490 |
11 | 43130955 |
12 | 23b5412a |
13 | 143a6640 |
14 | b12aca6 |
15 | 74dba7a |
hex | 4f9a4b2 |
83469490 has 64 divisors (see below), whose sum is σ = 173093760. Its totient is φ = 28707840.
The previous prime is 83469487. The next prime is 83469497. The reversal of 83469490 is 9496438.
It is not an unprimeable number, because it can be changed into a prime (83469497) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395485 + ... + 395695.
It is an arithmetic number, because the mean of its divisors is an integer number (2704590).
Almost surely, 283469490 is an apocalyptic number.
83469490 is an abundant number, since it is smaller than the sum of its proper divisors (89624270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83469490 is a wasteful number, since it uses less digits than its factorization.
83469490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 427.
The product of its (nonzero) digits is 186624, while the sum is 43.
The square root of 83469490 is about 9136.1638557986. The cubic root of 83469490 is about 437.0279905340.
The spelling of 83469490 in words is "eighty-three million, four hundred sixty-nine thousand, four hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 5.613 sec. • engine limits •