Base | Representation |
---|---|
bin | 100010010100… |
… | …110000111110 |
3 | 121221010212102 |
4 | 202110300332 |
5 | 4300413300 |
6 | 520505102 |
7 | 136324043 |
oct | 42246076 |
9 | 17833772 |
10 | 8997950 |
11 | 5096325 |
12 | 301b192 |
13 | 1b30740 |
14 | 12a31ca |
15 | bcb0d5 |
hex | 894c3e |
8997950 has 48 divisors (see below), whose sum is σ = 18332160. Its totient is φ = 3265920.
The previous prime is 8997943. The next prime is 8997953. The reversal of 8997950 is 597998.
It is a junction number, because it is equal to n+sod(n) for n = 8997895 and 8997904.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8997953) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70787 + ... + 70913.
It is an arithmetic number, because the mean of its divisors is an integer number (381920).
Almost surely, 28997950 is an apocalyptic number.
8997950 is an abundant number, since it is smaller than the sum of its proper divisors (9334210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8997950 is a wasteful number, since it uses less digits than its factorization.
8997950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 261 (or 256 counting only the distinct ones).
The product of its (nonzero) digits is 204120, while the sum is 47.
The square root of 8997950 is about 2999.6583138751. The cubic root of 8997950 is about 207.9925878769.
The spelling of 8997950 in words is "eight million, nine hundred ninety-seven thousand, nine hundred fifty".
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