Base | Representation |
---|---|
bin | 1010101110101… |
… | …01011000001011 |
3 | 20021100121211210 |
4 | 11113111120023 |
5 | 141020043310 |
6 | 12533024203 |
7 | 2142004200 |
oct | 527253013 |
9 | 207317753 |
10 | 90002955 |
11 | 46893609 |
12 | 26185063 |
13 | 158533b3 |
14 | bd4bca7 |
15 | 7d7c820 |
hex | 55d560b |
90002955 has 24 divisors (see below), whose sum is σ = 167517072. Its totient is φ = 41143872.
The previous prime is 90002953. The next prime is 90002963. The reversal of 90002955 is 55920009.
It is not a de Polignac number, because 90002955 - 21 = 90002953 is a prime.
It is not an unprimeable number, because it can be changed into a prime (90002953) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60492 + ... + 61961.
It is an arithmetic number, because the mean of its divisors is an integer number (6979878).
Almost surely, 290002955 is an apocalyptic number.
90002955 is a deficient number, since it is larger than the sum of its proper divisors (77514117).
90002955 is a wasteful number, since it uses less digits than its factorization.
90002955 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122475 (or 122468 counting only the distinct ones).
The product of its (nonzero) digits is 4050, while the sum is 30.
The square root of 90002955 is about 9486.9887214015. The cubic root of 90002955 is about 448.1453792506.
The spelling of 90002955 in words is "ninety million, two thousand, nine hundred fifty-five".
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