Base | Representation |
---|---|
bin | 11011010001011110101000 |
3 | 111110020020120 |
4 | 123101132220 |
5 | 3312240410 |
6 | 413123240 |
7 | 114524652 |
oct | 33213650 |
9 | 14406216 |
10 | 7149480 |
11 | 4043568 |
12 | 2489520 |
13 | 1634280 |
14 | d416d2 |
15 | 963570 |
hex | 6d17a8 |
7149480 has 64 divisors (see below), whose sum is σ = 23103360. Its totient is φ = 1759488.
The previous prime is 7149479. The next prime is 7149497. The reversal of 7149480 is 849417.
7149480 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×71494802 = 102230128540800, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732 + ... + 3851.
It is an arithmetic number, because the mean of its divisors is an integer number (360990).
Almost surely, 27149480 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7149480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11551680).
7149480 is an abundant number, since it is smaller than the sum of its proper divisors (15953880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7149480 is a wasteful number, since it uses less digits than its factorization.
7149480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4610 (or 4606 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 33.
The square root of 7149480 is about 2673.8511551693. The cubic root of 7149480 is about 192.6451819824.
The spelling of 7149480 in words is "seven million, one hundred forty-nine thousand, four hundred eighty".
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