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2303020434 = 2311132939161
BaseRepresentation
bin1000100101000101…
…0100110110010010
312221111112120010010
42021101110312102
514204033123214
61020305415350
7111033231201
oct21121246622
95844476103
102303020434
11a81aa4380
1254333a556
132a9191bb0
1417bc17238
15d72bb659
hex89454d92

2303020434 has 64 divisors (see below), whose sum is σ = 5430354048. Its totient is φ = 641932800.

The previous prime is 2303020427. The next prime is 2303020451. The reversal of 2303020434 is 4340203032.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2303020434.

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 31 ways as a sum of consecutive naturals, for example, 246814 + ... + 255974.

It is an arithmetic number, because the mean of its divisors is an integer number (84849282).

Almost surely, 22303020434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2303020434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2715177024).

2303020434 is an abundant number, since it is smaller than the sum of its proper divisors (3127333614).

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

2303020434 is a wasteful number, since it uses less digits than its factorization.

2303020434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9483.

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

The square root of 2303020434 is about 47989.7951027091. The cubic root of 2303020434 is about 1320.5836938772.

Adding to 2303020434 its reverse (4340203032), we get a palindrome (6643223466).

The spelling of 2303020434 in words is "two billion, three hundred three million, twenty thousand, four hundred thirty-four".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 143 286 293 429 586 858 879 1758 3223 3809 6446 7618 9161 9669 11427 18322 19338 22854 27483 41899 54966 83798 100771 119093 125697 201542 238186 251394 302313 357279 604626 714558 1310023 2620046 2684173 3930069 5368346 7860138 8052519 16105038 29525903 34894249 59051806 69788498 88577709 104682747 177155418 209365494 383836739 767673478 1151510217 2303020434