Base | Representation |
---|---|
bin | 11001100111111… |
… | …010010100011010 |
3 | 1002221220211011220 |
4 | 121213322110122 |
5 | 1340023033030 |
6 | 110354032510 |
7 | 13440013020 |
oct | 3147722432 |
9 | 1087824156 |
10 | 429892890 |
11 | 200732989 |
12 | bbb78736 |
13 | 6b0a98bb |
14 | 41146710 |
15 | 27b1aa10 |
hex | 199fa51a |
429892890 has 64 divisors (see below), whose sum is σ = 1186050816. Its totient is φ = 97684992.
The previous prime is 429892867. The next prime is 429892907. The reversal of 429892890 is 98298924.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30414 + ... + 42246.
It is an arithmetic number, because the mean of its divisors is an integer number (18532044).
Almost surely, 2429892890 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 429892890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593025408).
429892890 is an abundant number, since it is smaller than the sum of its proper divisors (756157926).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
429892890 is a wasteful number, since it uses less digits than its factorization.
429892890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12023.
The product of its (nonzero) digits is 746496, while the sum is 51.
The square root of 429892890 is about 20733.8585410434. The cubic root of 429892890 is about 754.7215557291.
The spelling of 429892890 in words is "four hundred twenty-nine million, eight hundred ninety-two thousand, eight hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •