Base | Representation |
---|---|
bin | 1010101010010… |
… | …10011001011010 |
3 | 20020021200221220 |
4 | 11111022121122 |
5 | 140343334230 |
6 | 12512512510 |
7 | 2134113423 |
oct | 525123132 |
9 | 206250856 |
10 | 89433690 |
11 | 46534945 |
12 | 25b4b736 |
13 | 156b4258 |
14 | bc4064a |
15 | 7cb8d10 |
hex | 554a65a |
89433690 has 16 divisors (see below), whose sum is σ = 214640928. Its totient is φ = 23848976.
The previous prime is 89433689. The next prime is 89433727. The reversal of 89433690 is 9633498.
It is a super-2 number, since 2×894336902 = 15996769814032200, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1490532 + ... + 1490591.
It is an arithmetic number, because the mean of its divisors is an integer number (13415058).
Almost surely, 289433690 is an apocalyptic number.
89433690 is an abundant number, since it is smaller than the sum of its proper divisors (125207238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89433690 is a wasteful number, since it uses less digits than its factorization.
89433690 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2981133.
The product of its (nonzero) digits is 139968, while the sum is 42.
The square root of 89433690 is about 9456.9387224408. The cubic root of 89433690 is about 447.1985464936.
The spelling of 89433690 in words is "eighty-nine million, four hundred thirty-three thousand, six hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •