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420333222 = 2370055537
BaseRepresentation
bin11001000011011…
…100011010100110
31002021221010210010
4121003130122212
51330101130342
6105413111050
713262526201
oct3103343246
91067833703
10420333222
111a62a3631
12b8928486
13691105aa
143db78938
1526d7d29c
hex190dc6a6

420333222 has 8 divisors (see below), whose sum is σ = 840666456. Its totient is φ = 140111072.

The previous prime is 420333217. The next prime is 420333239. The reversal of 420333222 is 222333024.

It is a sphenic number, since it is the product of 3 distinct primes.

420333222 is an admirable number.

It is a congruent number.

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, 35027763 + ... + 35027774.

It is an arithmetic number, because the mean of its divisors is an integer number (105083307).

Almost surely, 2420333222 is an apocalyptic number.

420333222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

420333222 is a wasteful number, since it uses less digits than its factorization.

420333222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70055542.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 420333222 is about 20502.0297043976. The cubic root of 420333222 is about 749.0852385133.

Adding to 420333222 its reverse (222333024), we get a palindrome (642666246).

The spelling of 420333222 in words is "four hundred twenty million, three hundred thirty-three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 70055537 140111074 210166611 420333222