Base | Representation |
---|---|
bin | 1010101110110… |
… | …10101001101010 |
3 | 20021101201110202 |
4 | 11113122221222 |
5 | 141021241204 |
6 | 12533312202 |
7 | 2142124154 |
oct | 527325152 |
9 | 207351422 |
10 | 90024554 |
11 | 468a8864 |
12 | 26195662 |
13 | 15860189 |
14 | bd55ad4 |
15 | 7d83e1e |
hex | 55daa6a |
90024554 has 8 divisors (see below), whose sum is σ = 142980228. Its totient is φ = 42364480.
The previous prime is 90024551. The next prime is 90024563. The reversal of 90024554 is 45542009.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 85285225 + 4739329 = 9235^2 + 2177^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (90024551) 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, 1323857 + ... + 1323924.
Almost surely, 290024554 is an apocalyptic number.
90024554 is a deficient number, since it is larger than the sum of its proper divisors (52955674).
90024554 is a wasteful number, since it uses less digits than its factorization.
90024554 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2647800.
The product of its (nonzero) digits is 7200, while the sum is 29.
The square root of 90024554 is about 9488.1270016795. The cubic root of 90024554 is about 448.1812251768.
The spelling of 90024554 in words is "ninety million, twenty-four thousand, five hundred fifty-four".
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