Base | Representation |
---|---|
bin | 101100011101001… |
… | …111001110000100 |
3 | 1220222110201100021 |
4 | 230131033032010 |
5 | 3011420041040 |
6 | 202002224524 |
7 | 24324502561 |
oct | 5435171604 |
9 | 1828421307 |
10 | 745862020 |
11 | 3530241a2 |
12 | 189955144 |
13 | bb6a9197 |
14 | 710b5868 |
15 | 4573124a |
hex | 2c74f384 |
745862020 has 24 divisors (see below), whose sum is σ = 1620322200. Its totient is φ = 288056832.
The previous prime is 745861943. The next prime is 745862027. The reversal of 745862020 is 20268547.
745862020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 7761796 + 738100224 = 2786^2 + 27168^2 .
It is not an unprimeable number, because it can be changed into a prime (745862027) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642405 + ... + 643564.
It is an arithmetic number, because the mean of its divisors is an integer number (67513425).
Almost surely, 2745862020 is an apocalyptic number.
It is an amenable number.
745862020 is an abundant number, since it is smaller than the sum of its proper divisors (874460180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
745862020 is a wasteful number, since it uses less digits than its factorization.
745862020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1286007 (or 1286005 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 34.
The square root of 745862020 is about 27310.4745473234. The cubic root of 745862020 is about 906.8862786810.
The spelling of 745862020 in words is "seven hundred forty-five million, eight hundred sixty-two thousand, twenty".
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