Base | Representation |
---|---|
bin | 11100010011111… |
… | …010001011100011 |
3 | 1020002202112120021 |
4 | 130103322023203 |
5 | 1433043343331 |
6 | 115044254311 |
7 | 14525162344 |
oct | 3423721343 |
9 | 1202675507 |
10 | 474981091 |
11 | 224129362 |
12 | 1130a1397 |
13 | 77535400 |
14 | 471220cb |
15 | 2ba75211 |
hex | 1c4fa2e3 |
474981091 has 6 divisors (see below), whose sum is σ = 514328820. Its totient is φ = 438443928.
The previous prime is 474981077. The next prime is 474981097. The reversal of 474981091 is 190189474.
It is not a de Polignac number, because 474981091 - 219 = 474456803 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (474981097) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1405101 + ... + 1405438.
It is an arithmetic number, because the mean of its divisors is an integer number (85721470).
Almost surely, 2474981091 is an apocalyptic number.
474981091 is a deficient number, since it is larger than the sum of its proper divisors (39347729).
474981091 is a wasteful number, since it uses less digits than its factorization.
474981091 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2810565 (or 2810552 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 43.
The square root of 474981091 is about 21794.0609111749. The cubic root of 474981091 is about 780.2350217711.
The spelling of 474981091 in words is "four hundred seventy-four million, nine hundred eighty-one thousand, ninety-one".
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