Base | Representation |
---|---|
bin | 11011010000110111101110 |
3 | 111110002211100 |
4 | 123100313232 |
5 | 3312200430 |
6 | 413103530 |
7 | 114514464 |
oct | 33206756 |
9 | 14402740 |
10 | 7146990 |
11 | 4041704 |
12 | 2487ba6 |
13 | 16330b6 |
14 | d40834 |
15 | 962960 |
hex | 6d0dee |
7146990 has 24 divisors (see below), whose sum is σ = 18582408. Its totient is φ = 1905840.
The previous prime is 7146973. The next prime is 7147001. The reversal of 7146990 is 996417.
It is a zygodrome in base 3.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39616 + ... + 39795.
It is an arithmetic number, because the mean of its divisors is an integer number (774267).
Almost surely, 27146990 is an apocalyptic number.
7146990 is an abundant number, since it is smaller than the sum of its proper divisors (11435418).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7146990 is a wasteful number, since it uses less digits than its factorization.
7146990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79424 (or 79421 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 36.
The square root of 7146990 is about 2673.3854940880. The cubic root of 7146990 is about 192.6228147519.
The spelling of 7146990 in words is "seven million, one hundred forty-six thousand, nine hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •