Base | Representation |
---|---|
bin | 11110010100101011010100 |
3 | 112221211222212 |
4 | 132110223110 |
5 | 4013332022 |
6 | 442212552 |
7 | 124364651 |
oct | 36245324 |
9 | 15854885 |
10 | 7949012 |
11 | 453a235 |
12 | 27b4158 |
13 | 1854176 |
14 | 10acc28 |
15 | a703e2 |
hex | 794ad4 |
7949012 has 12 divisors (see below), whose sum is σ = 13931316. Its totient is φ = 3968640.
The previous prime is 7949009. The next prime is 7949017. The reversal of 7949012 is 2109497.
It can be written as a sum of positive squares in 2 ways, for example, as 2208196 + 5740816 = 1486^2 + 2396^2 .
It is a super-2 number, since 2×79490122 = 126373583552288, which contains 22 as substring.
It is an Ulam number.
It is a self number, because there is not a number n which added to its sum of digits gives 7949012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7949017) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3308 + ... + 5180.
It is an arithmetic number, because the mean of its divisors is an integer number (1160943).
Almost surely, 27949012 is an apocalyptic number.
It is an amenable number.
7949012 is a deficient number, since it is larger than the sum of its proper divisors (5982304).
7949012 is a wasteful number, since it uses less digits than its factorization.
7949012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2938 (or 2936 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 32.
The square root of 7949012 is about 2819.3992267857. The cubic root of 7949012 is about 199.5741940900.
The spelling of 7949012 in words is "seven million, nine hundred forty-nine thousand, twelve".
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