Base | Representation |
---|---|
bin | 1010101111010… |
… | …10010010100110 |
3 | 20021111222100100 |
4 | 11113222102212 |
5 | 141030313424 |
6 | 12534524530 |
7 | 2142512010 |
oct | 527522246 |
9 | 207458310 |
10 | 90088614 |
11 | 46941a00 |
12 | 26206746 |
13 | 15883395 |
14 | bd711b0 |
15 | 7d97dc9 |
hex | 55ea4a6 |
90088614 has 144 divisors (see below), whose sum is σ = 258935040. Its totient is φ = 22096800.
The previous prime is 90088577. The next prime is 90088637. The reversal of 90088614 is 41688009.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 289519 + ... + 289829.
It is an arithmetic number, because the mean of its divisors is an integer number (1798160).
Almost surely, 290088614 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 90088614, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129467520).
90088614 is an abundant number, since it is smaller than the sum of its proper divisors (168846426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90088614 is a wasteful number, since it uses less digits than its factorization.
90088614 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 367 (or 353 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 36.
The square root of 90088614 is about 9491.5021993360. The cubic root of 90088614 is about 448.2875061143.
The spelling of 90088614 in words is "ninety million, eighty-eight thousand, six hundred fourteen".
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