Base | Representation |
---|---|
bin | 11101010111101… |
… | …111001010010001 |
3 | 1021100012220001000 |
4 | 131113233022101 |
5 | 2002121333440 |
6 | 120521332213 |
7 | 15132256110 |
oct | 3527571221 |
9 | 1240186030 |
10 | 492761745 |
11 | 233173213 |
12 | 119037069 |
13 | 7b11c5c8 |
14 | 4962dc77 |
15 | 2d3d8730 |
hex | 1d5ef291 |
492761745 has 128 divisors (see below), whose sum is σ = 1090022400. Its totient is φ = 206032896.
The previous prime is 492761743. The next prime is 492761749. The reversal of 492761745 is 547167294.
492761745 is a `hidden beast` number, since 4 + 9 + 27 + 617 + 4 + 5 = 666.
It is not a de Polignac number, because 492761745 - 21 = 492761743 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 492761745.
It is not an unprimeable number, because it can be changed into a prime (492761743) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 593991 + ... + 594819.
It is an arithmetic number, because the mean of its divisors is an integer number (8515800).
Almost surely, 2492761745 is an apocalyptic number.
492761745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
492761745 is an abundant number, since it is smaller than the sum of its proper divisors (597260655).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
492761745 is a wasteful number, since it uses less digits than its factorization.
492761745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 904 (or 898 counting only the distinct ones).
The product of its digits is 423360, while the sum is 45.
The square root of 492761745 is about 22198.2374300303. The cubic root of 492761745 is about 789.8518896616.
The spelling of 492761745 in words is "four hundred ninety-two million, seven hundred sixty-one thousand, seven hundred forty-five".
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