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420622062 = 237109139661
BaseRepresentation
bin11001000100100…
…010111011101110
31002022110210222220
4121010202323232
51330134401222
6105423220210
713265141250
oct3104427356
91068423886
10420622062
111a6480643
12b8a47666
13691b1bc3
143dc11cd0
1526dd8b5c
hex19122eee

420622062 has 64 divisors (see below), whose sum is σ = 978700800. Its totient is φ = 118039680.

The previous prime is 420622039. The next prime is 420622063. The reversal of 420622062 is 260226024.

It is a super-2 number, since 2×4206220622 = 353845838082263688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420622063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 636012 + ... + 636672.

It is an arithmetic number, because the mean of its divisors is an integer number (15292200).

Almost surely, 2420622062 is an apocalyptic number.

420622062 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

420622062 is an abundant number, since it is smaller than the sum of its proper divisors (558078738).

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

420622062 is a wasteful number, since it uses less digits than its factorization.

420622062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 420622062 is about 20509.0726752820. The cubic root of 420622062 is about 749.2567819681.

Adding to 420622062 its reverse (260226024), we get a palindrome (680848086).

The spelling of 420622062 in words is "four hundred twenty million, six hundred twenty-two thousand, sixty-two".

Divisors: 1 2 3 6 7 14 21 42 109 139 218 278 327 417 654 661 763 834 973 1322 1526 1946 1983 2289 2919 3966 4578 4627 5838 9254 13881 15151 27762 30302 45453 72049 90906 91879 106057 144098 183758 212114 216147 275637 318171 432294 504343 551274 636342 643153 1008686 1286306 1513029 1929459 3026058 3858918 10014811 20029622 30044433 60088866 70103677 140207354 210311031 420622062