Base | Representation |
---|---|
bin | 1010101111001… |
… | …00010111110011 |
3 | 20021110202002110 |
4 | 11113210113303 |
5 | 141024024441 |
6 | 12534220403 |
7 | 2142351225 |
oct | 527442763 |
9 | 207422073 |
10 | 90064371 |
11 | 46925771 |
12 | 261b4703 |
13 | 15875337 |
14 | bd66415 |
15 | 7d90b16 |
hex | 55e45f3 |
90064371 has 4 divisors (see below), whose sum is σ = 120085832. Its totient is φ = 60042912.
The previous prime is 90064363. The next prime is 90064397. The reversal of 90064371 is 17346009.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 90064371 - 23 = 90064363 is a prime.
It is a super-2 number, since 2×900643712 = 16223181847251282, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (90064301) 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, 15010726 + ... + 15010731.
It is an arithmetic number, because the mean of its divisors is an integer number (30021458).
Almost surely, 290064371 is an apocalyptic number.
90064371 is a deficient number, since it is larger than the sum of its proper divisors (30021461).
90064371 is a wasteful number, since it uses less digits than its factorization.
90064371 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30021460.
The product of its (nonzero) digits is 4536, while the sum is 30.
The square root of 90064371 is about 9490.2250236757. The cubic root of 90064371 is about 448.2472908621.
The spelling of 90064371 in words is "ninety million, sixty-four thousand, three hundred seventy-one".
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