Base | Representation |
---|---|
bin | 11011001111101110000010 |
3 | 111102212100200 |
4 | 123033232002 |
5 | 3312023044 |
6 | 413030030 |
7 | 114464646 |
oct | 33175602 |
9 | 14385320 |
10 | 7142274 |
11 | 4039107 |
12 | 2485316 |
13 | 1630bc9 |
14 | d3cc26 |
15 | 961369 |
hex | 6cfb82 |
7142274 has 24 divisors (see below), whose sum is σ = 15528240. Its totient is φ = 2372568.
The previous prime is 7142269. The next prime is 7142293. The reversal of 7142274 is 4722417.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7069 + ... + 8015.
It is an arithmetic number, because the mean of its divisors is an integer number (647010).
Almost surely, 27142274 is an apocalyptic number.
7142274 is an abundant number, since it is smaller than the sum of its proper divisors (8385966).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7142274 is a wasteful number, since it uses less digits than its factorization.
7142274 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1374 (or 1371 counting only the distinct ones).
The product of its digits is 3136, while the sum is 27.
The square root of 7142274 is about 2672.5033208586. The cubic root of 7142274 is about 192.5804375145.
The spelling of 7142274 in words is "seven million, one hundred forty-two thousand, two hundred seventy-four".
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