Base | Representation |
---|---|
bin | 10000110100100100… |
… | …00111010111010001 |
3 | 212022101012210110000 |
4 | 20122102013113101 |
5 | 121443402002321 |
6 | 4052043200213 |
7 | 436536210111 |
oct | 103222072721 |
9 | 25271183400 |
10 | 9030890961 |
11 | 3914780054 |
12 | 1900516069 |
13 | b0bca7981 |
14 | 619577041 |
15 | 37cc7e826 |
hex | 21a4875d1 |
9030890961 has 15 divisors (see below), whose sum is σ = 13491867961. Its totient is φ = 6020023788.
The previous prime is 9030890929. The next prime is 9030890989. The reversal of 9030890961 is 1690980309.
The square root of 9030890961 is 95031.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 9030890961 - 25 = 9030890929 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (9030390961) by changing a digit.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 850000 + ... + 860558.
Almost surely, 29030890961 is an apocalyptic number.
9030890961 is the 95031-st square number.
9030890961 is the 47516-th centered octagonal number.
It is an amenable number.
9030890961 is a deficient number, since it is larger than the sum of its proper divisors (4460977000).
9030890961 is an frugal number, since it uses more digits than its factorization.
9030890961 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21130 (or 10562 counting only the distinct ones).
The product of its (nonzero) digits is 104976, while the sum is 45.
The cubic root of 9030890961 is about 2082.4609494389.
Multiplying 9030890961 by its product of nonzero digits (104976), we get a square (948026809521936 = 307900442).
The spelling of 9030890961 in words is "nine billion, thirty million, eight hundred ninety thousand, nine hundred sixty-one".
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