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429829220 = 22521491461
BaseRepresentation
bin11001100111101…
…010110001100100
31002221210120211202
4121213222301210
51340014013340
6110352422032
713436326262
oct3147526144
91087716752
10429829220
1120069a067
12bbb47918
136b086922
144112b432
1527b06c15
hex199eac64

429829220 has 12 divisors (see below), whose sum is σ = 902641404. Its totient is φ = 171931680.

The previous prime is 429829181. The next prime is 429829237. The reversal of 429829220 is 22928924.

It can be written as a sum of positive squares in 2 ways, for example, as 144624676 + 285204544 = 12026^2 + 16888^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10745711 + ... + 10745750.

It is an arithmetic number, because the mean of its divisors is an integer number (75220117).

Almost surely, 2429829220 is an apocalyptic number.

It is an amenable number.

429829220 is an abundant number, since it is smaller than the sum of its proper divisors (472812184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

429829220 is a wasteful number, since it uses less digits than its factorization.

429829220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21491470 (or 21491468 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 429829220 is about 20732.3230729217. The cubic root of 429829220 is about 754.6842941266.

The spelling of 429829220 in words is "four hundred twenty-nine million, eight hundred twenty-nine thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 21491461 42982922 85965844 107457305 214914610 429829220