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1424002220 = 225233598623
BaseRepresentation
bin101010011100000…
…1000110010101100
310200020111210210222
41110320020302230
510404021032340
6353145150512
750200550654
oct12470106254
93606453728
101424002220
116708a2a43
12338a8b438
13199033784
14d719d364
15850368b5
hex54e08cac

1424002220 has 48 divisors (see below), whose sum is σ = 3129477120. Its totient is φ = 543254976.

The previous prime is 1424002211. The next prime is 1424002231. The reversal of 1424002220 is 222004241.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160829 + ... + 169451.

It is an arithmetic number, because the mean of its divisors is an integer number (65197440).

Almost surely, 21424002220 is an apocalyptic number.

1424002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1424002220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1564738560).

1424002220 is an abundant number, since it is smaller than the sum of its proper divisors (1705474900).

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

1424002220 is a wasteful number, since it uses less digits than its factorization.

1424002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9014 (or 9012 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1424002220 is about 37735.9539431561. The cubic root of 1424002220 is about 1125.0458503124.

Adding to 1424002220 its reverse (222004241), we get a palindrome (1646006461).

The spelling of 1424002220 in words is "one billion, four hundred twenty-four million, two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 359 460 718 1436 1795 3590 7180 8257 8623 16514 17246 33028 34492 41285 43115 82570 86230 165140 172460 198329 396658 793316 991645 1983290 3095657 3966580 6191314 12382628 15478285 30956570 61913140 71200111 142400222 284800444 356000555 712001110 1424002220