Base | Representation |
---|---|
bin | 1010110001111… |
… | …01101010000110 |
3 | 20022011022202110 |
4 | 11120331222012 |
5 | 141122230321 |
6 | 12550121450 |
7 | 2145433365 |
oct | 530755206 |
9 | 208138673 |
10 | 90430086 |
11 | 4705550a |
12 | 26350286 |
13 | 15972936 |
14 | c01d7dc |
15 | 7e14176 |
hex | 563da86 |
90430086 has 32 divisors (see below), whose sum is σ = 184174848. Its totient is φ = 29596320.
The previous prime is 90430079. The next prime is 90430097. The reversal of 90430086 is 68003409.
It is a super-3 number, since 3×904300863 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80400 + ... + 81516.
It is an arithmetic number, because the mean of its divisors is an integer number (5755464).
Almost surely, 290430086 is an apocalyptic number.
90430086 is an abundant number, since it is smaller than the sum of its proper divisors (93744762).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90430086 is a wasteful number, since it uses less digits than its factorization.
90430086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1356.
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 90430086 is about 9509.4734870023. The cubic root of 90430086 is about 448.8531885101.
The spelling of 90430086 in words is "ninety million, four hundred thirty thousand, eighty-six".
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