Base | Representation |
---|---|
bin | 1011111111011… |
… | …11001011110101 |
3 | 21000021201121022 |
4 | 11333233023311 |
5 | 201223010141 |
6 | 13552030525 |
7 | 2331016124 |
oct | 577571365 |
9 | 230251538 |
10 | 100594421 |
11 | 51868094 |
12 | 29832445 |
13 | 17ac1235 |
14 | d507abb |
15 | 8c70b4b |
hex | 5fef2f5 |
100594421 has 2 divisors, whose sum is σ = 100594422. Its totient is φ = 100594420.
The previous prime is 100594399. The next prime is 100594427. The reversal of 100594421 is 124495001.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 99720196 + 874225 = 9986^2 + 935^2 .
It is an emirp because it is prime and its reverse (124495001) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 100594421 - 26 = 100594357 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (100594427) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50297210 + 50297211.
It is an arithmetic number, because the mean of its divisors is an integer number (50297211).
Almost surely, 2100594421 is an apocalyptic number.
It is an amenable number.
100594421 is a deficient number, since it is larger than the sum of its proper divisors (1).
100594421 is an equidigital number, since it uses as much as digits as its factorization.
100594421 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1440, while the sum is 26.
The square root of 100594421 is about 10029.6770137428. The cubic root of 100594421 is about 465.0767530451.
The spelling of 100594421 in words is "one hundred million, five hundred ninety-four thousand, four hundred twenty-one".
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