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1420322330 = 25723778341
BaseRepresentation
bin101010010101000…
…0110011000011010
310122222120211221202
41110222012120122
510402100303310
6352534234202
750124353300
oct12452063032
93588524852
101420322330
1166980a209
123377b5962
1319834581b
14d68c2270
1584a5b3a5
hex54a8661a

1420322330 has 48 divisors (see below), whose sum is σ = 3054397896. Its totient is φ = 473800320.

The previous prime is 1420322329. The next prime is 1420322377. The reversal of 1420322330 is 332230241.

It can be written as a sum of positive squares in 4 ways, for example, as 1407225169 + 13097161 = 37513^2 + 3619^2 .

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 23 ways as a sum of consecutive naturals, for example, 21041 + ... + 57300.

Almost surely, 21420322330 is an apocalyptic number.

1420322330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420322330 is an abundant number, since it is smaller than the sum of its proper divisors (1634075566).

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

1420322330 is a wasteful number, since it uses less digits than its factorization.

1420322330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78399 (or 78392 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1420322330 is about 37687.1639951854. The cubic root of 1420322330 is about 1124.0759041837.

Adding to 1420322330 its reverse (332230241), we get a palindrome (1752552571).

The spelling of 1420322330 in words is "one billion, four hundred twenty million, three hundred twenty-two thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 37 49 70 74 98 185 245 259 370 490 518 1295 1813 2590 3626 9065 18130 78341 156682 391705 548387 783410 1096774 2741935 2898617 3838709 5483870 5797234 7677418 14493085 19193545 20290319 28986170 38387090 40580638 101451595 142032233 202903190 284064466 710161165 1420322330