Base | Representation |
---|---|
bin | 1011110100111… |
… | …10011001100101 |
3 | 20220200122022202 |
4 | 11322132121211 |
5 | 200344334244 |
6 | 13502304245 |
7 | 2313212261 |
oct | 572363145 |
9 | 226618282 |
10 | 99214949 |
11 | 51005729 |
12 | 29288085 |
13 | 1772a392 |
14 | d2690a1 |
15 | 8a9c04e |
hex | 5e9e665 |
99214949 has 2 divisors, whose sum is σ = 99214950. Its totient is φ = 99214948.
The previous prime is 99214919. The next prime is 99214987. The reversal of 99214949 is 94941299.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 80013025 + 19201924 = 8945^2 + 4382^2 .
It is an emirp because it is prime and its reverse (94941299) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 99214949 - 28 = 99214693 is a prime.
It is a super-2 number, since 2×992149492 = 19687212210145202, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (99214919) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49607474 + 49607475.
It is an arithmetic number, because the mean of its divisors is an integer number (49607475).
Almost surely, 299214949 is an apocalyptic number.
It is an amenable number.
99214949 is a deficient number, since it is larger than the sum of its proper divisors (1).
99214949 is an equidigital number, since it uses as much as digits as its factorization.
99214949 is an evil number, because the sum of its binary digits is even.
The product of its digits is 209952, while the sum is 47.
The square root of 99214949 is about 9960.6701079797. The cubic root of 99214949 is about 462.9410629575.
The spelling of 99214949 in words is "ninety-nine million, two hundred fourteen thousand, nine hundred forty-nine".
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