Base | Representation |
---|---|
bin | 1000010101001… |
… | …1101011001100 |
3 | 2102202102112200 |
4 | 2011103223030 |
5 | 32421230430 |
6 | 3245001500 |
7 | 603014424 |
oct | 205235314 |
9 | 72672480 |
10 | 34945740 |
11 | 187a9285 |
12 | b853290 |
13 | 731716b |
14 | 48d9484 |
15 | 3104460 |
hex | 2153acc |
34945740 has 108 divisors (see below), whose sum is σ = 111113184. Its totient is φ = 8889408.
The previous prime is 34945681. The next prime is 34945747. The reversal of 34945740 is 4754943.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 34945695 and 34945704.
It is not an unprimeable number, because it can be changed into a prime (34945747) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 95037 + ... + 95403.
It is a vampire number, since it can be written as 4404 ⋅ 7935 (with its own digits).
Almost surely, 234945740 is an apocalyptic number.
34945740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 34945740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55556592).
34945740 is an abundant number, since it is smaller than the sum of its proper divisors (76167444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
34945740 is a wasteful number, since it uses less digits than its factorization.
34945740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 428 (or 400 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 36.
The square root of 34945740 is about 5911.4921974067. The cubic root of 34945740 is about 326.9375073464.
The spelling of 34945740 in words is "thirty-four million, nine hundred forty-five thousand, seven hundred forty".
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