Base | Representation |
---|---|
bin | 1011111010010… |
… | …11000000011110 |
3 | 20222000120010222 |
4 | 11331023000132 |
5 | 201040000300 |
6 | 13525401342 |
7 | 2322215432 |
oct | 575130036 |
9 | 228016128 |
10 | 99921950 |
11 | 51448927 |
12 | 29569252 |
13 | 1791711b |
14 | d3b09c2 |
15 | 8b8b785 |
hex | 5f4b01e |
99921950 has 48 divisors (see below), whose sum is σ = 197665920. Its totient is φ = 37473120.
The previous prime is 99921947. The next prime is 99921973. The reversal of 99921950 is 5912999.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101159 + ... + 102141.
It is an arithmetic number, because the mean of its divisors is an integer number (4118040).
Almost surely, 299921950 is an apocalyptic number.
99921950 is a deficient number, since it is larger than the sum of its proper divisors (97743970).
99921950 is a wasteful number, since it uses less digits than its factorization.
99921950 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1121 (or 1116 counting only the distinct ones).
The product of its (nonzero) digits is 65610, while the sum is 44.
The square root of 99921950 is about 9996.0967382274. The cubic root of 99921950 is about 464.0380932608.
The spelling of 99921950 in words is "ninety-nine million, nine hundred twenty-one thousand, nine hundred fifty".
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