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420799122 = 232231016423
BaseRepresentation
bin11001000101001…
…110001010010010
31002022210210212200
4121011032022102
51330211032442
6105431104030
713266506412
oct3105161222
91068723780
10420799122
111a6591677
12b8b12016
1369244683
143dc5a642
1526e2134c
hex1914e292

420799122 has 24 divisors (see below), whose sum is σ = 951372864. Its totient is φ = 134167704.

The previous prime is 420799111. The next prime is 420799123. The reversal of 420799122 is 221997024.

It is not an unprimeable number, because it can be changed into a prime (420799123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 507798 + ... + 508625.

It is an arithmetic number, because the mean of its divisors is an integer number (39640536).

Almost surely, 2420799122 is an apocalyptic number.

420799122 is an abundant number, since it is smaller than the sum of its proper divisors (530573742).

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

420799122 is a wasteful number, since it uses less digits than its factorization.

420799122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016454 (or 1016451 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 420799122 is about 20513.3888472870. The cubic root of 420799122 is about 749.3618999250.

The spelling of 420799122 in words is "four hundred twenty million, seven hundred ninety-nine thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 1016423 2032846 3049269 6098538 9147807 18295614 23377729 46755458 70133187 140266374 210399561 420799122