Base | Representation |
---|---|
bin | 111101111101000111010 |
3 | 10211010211022 |
4 | 13233220322 |
5 | 1004431023 |
6 | 111302442 |
7 | 23153525 |
oct | 7575072 |
9 | 3733738 |
10 | 2030138 |
11 | 1167300 |
12 | 81aa22 |
13 | 561086 |
14 | 3abbbc |
15 | 2a17c8 |
hex | 1efa3a |
2030138 has 12 divisors (see below), whose sum is σ = 3347610. Its totient is φ = 922680.
The previous prime is 2030137. The next prime is 2030173. The reversal of 2030138 is 8310302.
It can be written as a sum of positive squares in only one way, i.e., 1385329 + 644809 = 1177^2 + 803^2 .
It is an Ulam number.
It is a plaindrome in base 14.
It is not an unprimeable number, because it can be changed into a prime (2030137) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3953 + ... + 4436.
22030138 is an apocalyptic number.
2030138 is a deficient number, since it is larger than the sum of its proper divisors (1317472).
2030138 is a wasteful number, since it uses less digits than its factorization.
2030138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8413 (or 8402 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 2030138 is about 1424.8291125605. The cubic root of 2030138 is about 126.6218108332.
The spelling of 2030138 in words is "two million, thirty thousand, one hundred thirty-eight".
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