Base | Representation |
---|---|
bin | 101100011101100… |
… | …100010001100100 |
3 | 1220222122002122100 |
4 | 230131210101210 |
5 | 3011430321020 |
6 | 202004132100 |
7 | 24325312161 |
oct | 5435442144 |
9 | 1828562570 |
10 | 745948260 |
11 | 353082a72 |
12 | 189997030 |
13 | bb709505 |
14 | 710d9068 |
15 | 4574ba90 |
hex | 2c764464 |
745948260 has 144 divisors (see below), whose sum is σ = 2357317872. Its totient is φ = 190771200.
The previous prime is 745948207. The next prime is 745948267. The reversal of 745948260 is 62849547.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 345067776 + 400880484 = 18576^2 + 20022^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (745948267) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 449352 + ... + 451008.
It is an arithmetic number, because the mean of its divisors is an integer number (16370263).
Almost surely, 2745948260 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 745948260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1178658936).
745948260 is an abundant number, since it is smaller than the sum of its proper divisors (1611369612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
745948260 is a wasteful number, since it uses less digits than its factorization.
745948260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1774 (or 1769 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 45.
The square root of 745948260 is about 27312.0533830761. The cubic root of 745948260 is about 906.9212301227.
The spelling of 745948260 in words is "seven hundred forty-five million, nine hundred forty-eight thousand, two hundred sixty".
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