Base | Representation |
---|---|
bin | 100010001110… |
… | …100111000100 |
3 | 121212212021201 |
4 | 202032213010 |
5 | 4244111430 |
6 | 520152244 |
7 | 136160410 |
oct | 42164704 |
9 | 17785251 |
10 | 8972740 |
11 | 5079397 |
12 | 3008684 |
13 | 1b2211a |
14 | 1297d40 |
15 | bc38ca |
hex | 88e9c4 |
8972740 has 24 divisors (see below), whose sum is σ = 21534912. Its totient is φ = 3076320.
The previous prime is 8972701. The next prime is 8972749. The reversal of 8972740 is 472798.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 8972740.
It is not an unprimeable number, because it can be changed into a prime (8972749) 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, 31906 + ... + 32185.
It is an arithmetic number, because the mean of its divisors is an integer number (897288).
Almost surely, 28972740 is an apocalyptic number.
It is an amenable number.
8972740 is an abundant number, since it is smaller than the sum of its proper divisors (12562172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8972740 is a wasteful number, since it uses less digits than its factorization.
8972740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64107 (or 64105 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 37.
The square root of 8972740 is about 2995.4532211337. The cubic root of 8972740 is about 207.7981584879.
The spelling of 8972740 in words is "eight million, nine hundred seventy-two thousand, seven hundred forty".
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