Base | Representation |
---|---|
bin | 1011110100001… |
… | …00000010000101 |
3 | 20220111011011202 |
4 | 11322010002011 |
5 | 200332410244 |
6 | 13500112245 |
7 | 2312252354 |
oct | 572040205 |
9 | 226434152 |
10 | 99106949 |
11 | 50a41577 |
12 | 29235685 |
13 | 176c0186 |
14 | d23b99b |
15 | 8a7a04e |
hex | 5e84085 |
99106949 has 8 divisors (see below), whose sum is σ = 102652920. Its totient is φ = 95569600.
The previous prime is 99106939. The next prime is 99106967. The reversal of 99106949 is 94960199.
It can be written as a sum of positive squares in 4 ways, for example, as 34304449 + 64802500 = 5857^2 + 8050^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 99106949 - 216 = 99041413 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (99106919) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29159 + ... + 32379.
It is an arithmetic number, because the mean of its divisors is an integer number (12831615).
Almost surely, 299106949 is an apocalyptic number.
It is an amenable number.
99106949 is a deficient number, since it is larger than the sum of its proper divisors (3545971).
99106949 is a wasteful number, since it uses less digits than its factorization.
99106949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4311.
The product of its (nonzero) digits is 157464, while the sum is 47.
The square root of 99106949 is about 9955.2473098362. The cubic root of 99106949 is about 462.7730244786.
The spelling of 99106949 in words is "ninety-nine million, one hundred six thousand, nine hundred forty-nine".
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