Base | Representation |
---|---|
bin | 1010110100110… |
… | …00011110110111 |
3 | 20022212020001212 |
4 | 11122120132313 |
5 | 141221131403 |
6 | 13002112035 |
7 | 2151543110 |
oct | 532303667 |
9 | 208766055 |
10 | 90802103 |
11 | 47289a67 |
12 | 264ab61b |
13 | 15a73072 |
14 | c0b9207 |
15 | 7e894d8 |
hex | 56987b7 |
90802103 has 16 divisors (see below), whose sum is σ = 107688960. Its totient is φ = 74911200.
The previous prime is 90802097. The next prime is 90802109. The reversal of 90802103 is 30120809.
It is an interprime number because it is at equal distance from previous prime (90802097) and next prime (90802109).
It is not a de Polignac number, because 90802103 - 24 = 90802087 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90802109) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99218 + ... + 100128.
It is an arithmetic number, because the mean of its divisors is an integer number (6730560).
Almost surely, 290802103 is an apocalyptic number.
90802103 is a deficient number, since it is larger than the sum of its proper divisors (16886857).
90802103 is a wasteful number, since it uses less digits than its factorization.
90802103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1438.
The product of its (nonzero) digits is 432, while the sum is 23.
The square root of 90802103 is about 9529.0137474977. The cubic root of 90802103 is about 449.4678532634.
The spelling of 90802103 in words is "ninety million, eight hundred two thousand, one hundred three".
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