Base | Representation |
---|---|
bin | 11011001111101111001000 |
3 | 111102212110021 |
4 | 123033233020 |
5 | 3312023334 |
6 | 413030224 |
7 | 114465106 |
oct | 33175710 |
9 | 14385407 |
10 | 7142344 |
11 | 4039170 |
12 | 2485374 |
13 | 1630c51 |
14 | d3cc76 |
15 | 9613b4 |
hex | 6cfbc8 |
7142344 has 16 divisors (see below), whose sum is σ = 14609520. Its totient is φ = 3246480.
The previous prime is 7142341. The next prime is 7142371. The reversal of 7142344 is 4432417.
It is not an unprimeable number, because it can be changed into a prime (7142341) 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, 40494 + ... + 40669.
It is an arithmetic number, because the mean of its divisors is an integer number (913095).
Almost surely, 27142344 is an apocalyptic number.
It is an amenable number.
7142344 is an abundant number, since it is smaller than the sum of its proper divisors (7467176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7142344 is a wasteful number, since it uses less digits than its factorization.
7142344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81180 (or 81176 counting only the distinct ones).
The product of its digits is 2688, while the sum is 25.
The square root of 7142344 is about 2672.5164171619. The cubic root of 7142344 is about 192.5810666599.
The spelling of 7142344 in words is "seven million, one hundred forty-two thousand, three hundred forty-four".
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