Base | Representation |
---|---|
bin | 11111000100100001001100 |
3 | 120022210210122 |
4 | 133010201030 |
5 | 4041114342 |
6 | 450324112 |
7 | 126142163 |
oct | 37044114 |
9 | 16283718 |
10 | 8144972 |
11 | 4663490 |
12 | 2889638 |
13 | 18c2414 |
14 | 11203da |
15 | aad4d2 |
hex | 7c484c |
8144972 has 24 divisors (see below), whose sum is σ = 16465680. Its totient is φ = 3484160.
The previous prime is 8144963. The next prime is 8144999. The reversal of 8144972 is 2794418.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4697 + ... + 6192.
It is an arithmetic number, because the mean of its divisors is an integer number (686070).
Almost surely, 28144972 is an apocalyptic number.
It is an amenable number.
8144972 is an abundant number, since it is smaller than the sum of its proper divisors (8320708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8144972 is a wasteful number, since it uses less digits than its factorization.
8144972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10921 (or 10919 counting only the distinct ones).
The product of its digits is 16128, while the sum is 35.
The square root of 8144972 is about 2853.9397330708. The cubic root of 8144972 is about 201.2008750639.
The spelling of 8144972 in words is "eight million, one hundred forty-four thousand, nine hundred seventy-two".
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