Base | Representation |
---|---|
bin | 11110000010010110111100 |
3 | 112211001001220 |
4 | 132002112330 |
5 | 4003431410 |
6 | 440433340 |
7 | 123633132 |
oct | 36022674 |
9 | 15731056 |
10 | 7873980 |
11 | 4498924 |
12 | 2778850 |
13 | 1828c7a |
14 | 108d752 |
15 | a58070 |
hex | 7825bc |
7873980 has 48 divisors (see below), whose sum is σ = 23210880. Its totient is φ = 1988928.
The previous prime is 7873979. The next prime is 7874011. The reversal of 7873980 is 893787.
7873980 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×78739802 = 123999122080800, which contains 22 as substring.
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2314 + ... + 4593.
It is an arithmetic number, because the mean of its divisors is an integer number (483560).
Almost surely, 27873980 is an apocalyptic number.
It is an amenable number.
7873980 is an abundant number, since it is smaller than the sum of its proper divisors (15336900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7873980 is a wasteful number, since it uses less digits than its factorization.
7873980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6938 (or 6936 counting only the distinct ones).
The product of its (nonzero) digits is 84672, while the sum is 42.
The square root of 7873980 is about 2806.0612965507. The cubic root of 7873980 is about 198.9442703131.
The spelling of 7873980 in words is "seven million, eight hundred seventy-three thousand, nine hundred eighty".
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