Base | Representation |
---|---|
bin | 1010110000100… |
… | …01010110101000 |
3 | 20021211002211100 |
4 | 11120101112220 |
5 | 141100423431 |
6 | 12542201400 |
7 | 2144046333 |
oct | 530212650 |
9 | 207732740 |
10 | 90248616 |
11 | 46a41137 |
12 | 26283260 |
13 | 1590b163 |
14 | bdb361a |
15 | 7dca4e6 |
hex | 56115a8 |
90248616 has 24 divisors (see below), whose sum is σ = 244423530. Its totient is φ = 30082848.
The previous prime is 90248593. The next prime is 90248647. The reversal of 90248616 is 61684209.
It can be written as a sum of positive squares in only one way, i.e., 76632516 + 13616100 = 8754^2 + 3690^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 626655 + ... + 626798.
Almost surely, 290248616 is an apocalyptic number.
It is an amenable number.
90248616 is an abundant number, since it is smaller than the sum of its proper divisors (154174914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90248616 is a wasteful number, since it uses less digits than its factorization.
90248616 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1253465 (or 1253458 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 90248616 is about 9499.9271576155. The cubic root of 90248616 is about 448.5527430208.
The spelling of 90248616 in words is "ninety million, two hundred forty-eight thousand, six hundred sixteen".
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