Base | Representation |
---|---|
bin | 11111000011111100100110 |
3 | 120022200120220 |
4 | 133003330212 |
5 | 4041031010 |
6 | 450305210 |
7 | 126132306 |
oct | 37037446 |
9 | 16280526 |
10 | 8142630 |
11 | 4661751 |
12 | 2888206 |
13 | 18c1332 |
14 | 111d606 |
15 | aac970 |
hex | 7c3f26 |
8142630 has 32 divisors (see below), whose sum is σ = 19634400. Its totient is φ = 2161152.
The previous prime is 8142619. The next prime is 8142637. The reversal of 8142630 is 362418.
It is a happy number.
8142630 is a nontrivial binomial coefficient, being equal to C(4036, 2).
It is a self number, because there is not a number n which added to its sum of digits gives 8142630.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8142637) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7566 + ... + 8574.
It is an arithmetic number, because the mean of its divisors is an integer number (613575).
Almost surely, 28142630 is an apocalyptic number.
8142630 is the 4035-th triangular number and also the 2018-th hexagonal number.
8142630 is an abundant number, since it is smaller than the sum of its proper divisors (11491770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8142630 is a wasteful number, since it uses less digits than its factorization.
8142630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1288.
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 8142630 is about 2853.5293935756. The cubic root of 8142630 is about 201.1815888253.
The spelling of 8142630 in words is "eight million, one hundred forty-two thousand, six hundred thirty".
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