Base | Representation |
---|---|
bin | 1000010011011… |
… | …1100111111000 |
3 | 2102112120221010 |
4 | 2010313213320 |
5 | 32404041330 |
6 | 3242313520 |
7 | 602025432 |
oct | 204674770 |
9 | 72476833 |
10 | 34830840 |
11 | 1872aa20 |
12 | b7b88a0 |
13 | 72a6a85 |
14 | 48a9652 |
15 | 30d03b0 |
hex | 21379f8 |
34830840 has 64 divisors (see below), whose sum is σ = 113996160. Its totient is φ = 8443520.
The previous prime is 34830839. The next prime is 34830871. The reversal of 34830840 is 4803843.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 34830798 and 34830807.
It is a congruent number.
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, 11874 + ... + 14513.
It is an arithmetic number, because the mean of its divisors is an integer number (1781190).
Almost surely, 234830840 is an apocalyptic number.
34830840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
34830840 is an abundant number, since it is smaller than the sum of its proper divisors (79165320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
34830840 is a wasteful number, since it uses less digits than its factorization.
34830840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26412 (or 26408 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 30.
The square root of 34830840 is about 5901.7658374422. The cubic root of 34830840 is about 326.5787953759.
The spelling of 34830840 in words is "thirty-four million, eight hundred thirty thousand, eight hundred forty".
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