Base | Representation |
---|---|
bin | 10010001111000111001010 |
3 | 22222212121012 |
4 | 102033013022 |
5 | 2210433430 |
6 | 250243522 |
7 | 55430201 |
oct | 22170712 |
9 | 8885535 |
10 | 4780490 |
11 | 2775720 |
12 | 17265a2 |
13 | cb4bc0 |
14 | 8c6238 |
15 | 646695 |
hex | 48f1ca |
4780490 has 32 divisors (see below), whose sum is σ = 10112256. Its totient is φ = 1604160.
The previous prime is 4780487. The next prime is 4780499. The reversal of 4780490 is 940874.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (4780499) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242 + ... + 3101.
It is an arithmetic number, because the mean of its divisors is an integer number (316008).
Almost surely, 24780490 is an apocalyptic number.
4780490 is an abundant number, since it is smaller than the sum of its proper divisors (5331766).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4780490 is a wasteful number, since it uses less digits than its factorization.
4780490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3374.
The product of its (nonzero) digits is 8064, while the sum is 32.
The square root of 4780490 is about 2186.4331684275. The cubic root of 4780490 is about 168.4576758864.
The spelling of 4780490 in words is "four million, seven hundred eighty thousand, four hundred ninety".
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