Base | Representation |
---|---|
bin | 11011111101111… |
… | …100000111000110 |
3 | 1012200220221100022 |
4 | 123331330013012 |
5 | 1430110044310 |
6 | 114321015142 |
7 | 14425214450 |
oct | 3375740706 |
9 | 1180827308 |
10 | 469221830 |
11 | 220955340 |
12 | 1111844b2 |
13 | 76299b6c |
14 | 464632d0 |
15 | 2b2d8a55 |
hex | 1bf7c1c6 |
469221830 has 32 divisors (see below), whose sum is σ = 1053008640. Its totient is φ = 146250720.
The previous prime is 469221817. The next prime is 469221847. The reversal of 469221830 is 38122964.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303920 + ... + 305459.
It is an arithmetic number, because the mean of its divisors is an integer number (32906520).
Almost surely, 2469221830 is an apocalyptic number.
469221830 is an abundant number, since it is smaller than the sum of its proper divisors (583786810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
469221830 is a wasteful number, since it uses less digits than its factorization.
469221830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 609404.
The product of its (nonzero) digits is 20736, while the sum is 35.
The square root of 469221830 is about 21661.5288010796. The cubic root of 469221830 is about 777.0686765119.
The spelling of 469221830 in words is "four hundred sixty-nine million, two hundred twenty-one thousand, eight hundred thirty".
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