Base | Representation |
---|---|
bin | 1010110011111… |
… | …10110101100100 |
3 | 20022122212222101 |
4 | 11121332311210 |
5 | 141204301220 |
6 | 12555541444 |
7 | 2150624626 |
oct | 531766544 |
9 | 208585871 |
10 | 90697060 |
11 | 47218053 |
12 | 2645a884 |
13 | 15a372cc |
14 | c08cc16 |
15 | 7e6830a |
hex | 567ed64 |
90697060 has 12 divisors (see below), whose sum is σ = 190463868. Its totient is φ = 36278816.
The previous prime is 90697039. The next prime is 90697067. The reversal of 90697060 is 6079609.
It can be written as a sum of positive squares in 2 ways, for example, as 11451456 + 79245604 = 3384^2 + 8902^2 .
It is not an unprimeable number, because it can be changed into a prime (90697067) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2267407 + ... + 2267446.
It is an arithmetic number, because the mean of its divisors is an integer number (15871989).
Almost surely, 290697060 is an apocalyptic number.
It is an amenable number.
90697060 is an abundant number, since it is smaller than the sum of its proper divisors (99766808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90697060 is a wasteful number, since it uses less digits than its factorization.
90697060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4534862 (or 4534860 counting only the distinct ones).
The product of its (nonzero) digits is 20412, while the sum is 37.
The square root of 90697060 is about 9523.5004068882. The cubic root of 90697060 is about 449.2944664221.
It can be divided in two parts, 9069 and 7060, that added together give a square (16129 = 1272).
The spelling of 90697060 in words is "ninety million, six hundred ninety-seven thousand, sixty".
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