Base | Representation |
---|---|
bin | 1010110001000… |
… | …01101111110100 |
3 | 20021221111221022 |
4 | 11120201233310 |
5 | 141110101024 |
6 | 12543440312 |
7 | 2144446160 |
oct | 530415764 |
9 | 207844838 |
10 | 90315764 |
11 | 46a87630 |
12 | 262b6098 |
13 | 159328a6 |
14 | bdcdca0 |
15 | 7de035e |
hex | 5621bf4 |
90315764 has 96 divisors (see below), whose sum is σ = 213663744. Its totient is φ = 32325120.
The previous prime is 90315737. The next prime is 90315767. The reversal of 90315764 is 46751309.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90315767) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245909 + ... + 246275.
It is an arithmetic number, because the mean of its divisors is an integer number (2225664).
Almost surely, 290315764 is an apocalyptic number.
90315764 is a gapful number since it is divisible by the number (94) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 90315764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106831872).
90315764 is an abundant number, since it is smaller than the sum of its proper divisors (123347980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90315764 is a wasteful number, since it uses less digits than its factorization.
90315764 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 453 (or 451 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 35.
The square root of 90315764 is about 9503.4606328432. The cubic root of 90315764 is about 448.6639615416.
The spelling of 90315764 in words is "ninety million, three hundred fifteen thousand, seven hundred sixty-four".
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