Base | Representation |
---|---|
bin | 1010110010110… |
… | …11101001100001 |
3 | 20022101120021012 |
4 | 11121123221201 |
5 | 141140143204 |
6 | 12552510305 |
7 | 2146454465 |
oct | 531335141 |
9 | 208346235 |
10 | 90552929 |
11 | 47129835 |
12 | 263ab395 |
13 | 159b681c |
14 | c0524a5 |
15 | 7e3a76e |
hex | 565ba61 |
90552929 has 4 divisors (see below), whose sum is σ = 90590100. Its totient is φ = 90515760.
The previous prime is 90552919. The next prime is 90552947. The reversal of 90552929 is 92925509.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92925509 = 61 ⋅1523369.
It can be written as a sum of positive squares in 2 ways, for example, as 81938704 + 8614225 = 9052^2 + 2935^2 .
It is a cyclic number.
It is not a de Polignac number, because 90552929 - 216 = 90487393 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (90552919) 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, 14654 + ... + 19895.
It is an arithmetic number, because the mean of its divisors is an integer number (22647525).
Almost surely, 290552929 is an apocalyptic number.
It is an amenable number.
90552929 is a deficient number, since it is larger than the sum of its proper divisors (37171).
90552929 is a wasteful number, since it uses less digits than its factorization.
90552929 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37170.
The product of its (nonzero) digits is 72900, while the sum is 41.
The square root of 90552929 is about 9515.9302750703. The cubic root of 90552929 is about 449.0563418566.
The spelling of 90552929 in words is "ninety million, five hundred fifty-two thousand, nine hundred twenty-nine".
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