Base | Representation |
---|---|
bin | 1000000000100110010001 |
3 | 10221200010000 |
4 | 20000212101 |
5 | 1014141401 |
6 | 113000213 |
7 | 23563200 |
oct | 10004621 |
9 | 3850100 |
10 | 2099601 |
11 | 1204509 |
12 | 853069 |
13 | 58688a |
14 | 3c9237 |
15 | 2b7186 |
hex | 200991 |
2099601 has 45 divisors (see below), whose sum is σ = 3814041. Its totient is φ = 1147608.
The previous prime is 2099593. The next prime is 2099611. The reversal of 2099601 is 1069902.
It is a happy number.
The square root of 2099601 is 1449.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 2099601 - 23 = 2099593 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (2099611) by changing a digit.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 91276 + ... + 91298.
22099601 is an apocalyptic number.
2099601 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2099601 is the 1449-th square number.
2099601 is the 725-th centered octagonal number.
It is an amenable number.
2099601 is a deficient number, since it is larger than the sum of its proper divisors (1714440).
2099601 is an equidigital number, since it uses as much as digits as its factorization.
2099601 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72 (or 33 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 27.
The cubic root of 2099601 is about 128.0498056503.
The spelling of 2099601 in words is "two million, ninety-nine thousand, six hundred one".
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