Base | Representation |
---|---|
bin | 1111001101110110110010 |
3 | 21111122202120 |
4 | 33031312302 |
5 | 2010121124 |
6 | 221255110 |
7 | 45622326 |
oct | 17156662 |
9 | 7448676 |
10 | 3988914 |
11 | 2284a26 |
12 | 1404496 |
13 | a98807 |
14 | 75b986 |
15 | 53bd79 |
hex | 3cddb2 |
3988914 has 16 divisors (see below), whose sum is σ = 8447328. Its totient is φ = 1251392.
The previous prime is 3988909. The next prime is 3988961. The reversal of 3988914 is 4198893.
It is a super-2 number, since 2×39889142 = 31822869798792, which contains 22 as substring.
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, 19452 + ... + 19655.
It is an arithmetic number, because the mean of its divisors is an integer number (527958).
Almost surely, 23988914 is an apocalyptic number.
3988914 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
3988914 is an abundant number, since it is smaller than the sum of its proper divisors (4458414).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3988914 is a wasteful number, since it uses less digits than its factorization.
3988914 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39129.
The product of its digits is 62208, while the sum is 42.
The square root of 3988914 is about 1997.2265770313. The cubic root of 3988914 is about 158.5933201077.
It can be divided in two parts, 39889 and 14, that added together give a triangular number (39903 = T282).
The spelling of 3988914 in words is "three million, nine hundred eighty-eight thousand, nine hundred fourteen".
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