Base | Representation |
---|---|
bin | 1010110101010… |
… | …01111111001100 |
3 | 20022222212102110 |
4 | 11122221333030 |
5 | 141230430204 |
6 | 13003424020 |
7 | 2152262130 |
oct | 532517714 |
9 | 208885373 |
10 | 90873804 |
11 | 4732891a |
12 | 26525010 |
13 | 15a998a8 |
14 | c0d73c0 |
15 | 7ea0889 |
hex | 56a9fcc |
90873804 has 48 divisors (see below), whose sum is σ = 243853568. Its totient is φ = 25800768.
The previous prime is 90873799. The next prime is 90873817. The reversal of 90873804 is 40837809.
It is a super-3 number, since 3×908738043 (a number of 25 digits) contains 333 as substring.
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, 10374 + ... + 17010.
Almost surely, 290873804 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 90873804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121926784).
90873804 is an abundant number, since it is smaller than the sum of its proper divisors (152979764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90873804 is a wasteful number, since it uses less digits than its factorization.
90873804 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6814 (or 6812 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 39.
The square root of 90873804 is about 9532.7752517302. The cubic root of 90873804 is about 449.5861281144.
The spelling of 90873804 in words is "ninety million, eight hundred seventy-three thousand, eight hundred four".
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