Search a number
-
+
434371844 = 221930718617
BaseRepresentation
bin11001111000111…
…111110100000100
31010021100101011002
4121320333310010
51342144344334
6111034032432
713523046134
oct3170776404
91107311132
10434371844
11203211aa5
12101578718
136bcb747a
1441990ac4
1528202b7e
hex19e3fd04

434371844 has 24 divisors (see below), whose sum is σ = 802808160. Its totient is φ = 205073856.

The previous prime is 434371841. The next prime is 434371871. The reversal of 434371844 is 448173434.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 434371798 and 434371807.

It is not an unprimeable number, because it can be changed into a prime (434371841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14024 + ... + 32640.

It is an arithmetic number, because the mean of its divisors is an integer number (33450340).

Almost surely, 2434371844 is an apocalyptic number.

It is an amenable number.

434371844 is a deficient number, since it is larger than the sum of its proper divisors (368436316).

434371844 is a wasteful number, since it uses less digits than its factorization.

434371844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18947 (or 18945 counting only the distinct ones).

The product of its digits is 129024, while the sum is 38.

The square root of 434371844 is about 20841.5892868082. The cubic root of 434371844 is about 757.3335946453. Note that the first 3 decimals are identical.

The spelling of 434371844 in words is "four hundred thirty-four million, three hundred seventy-one thousand, eight hundred forty-four".

Divisors: 1 2 4 19 38 76 307 614 1228 5833 11666 18617 23332 37234 74468 353723 707446 1414892 5715419 11430838 22861676 108592961 217185922 434371844