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2320144434 = 232128896913
BaseRepresentation
bin1000101001001010…
…1001100000110010
312222200202112211100
42022102221200302
514222424110214
61022120425230
7111331621326
oct21222514062
95880675740
102320144434
11a9072a943
12549018216
132ac8a923a
141801d3986
15d8a50309
hex8a4a9832

2320144434 has 12 divisors (see below), whose sum is σ = 5026979646. Its totient is φ = 773381472.

The previous prime is 2320144417. The next prime is 2320144487. The reversal of 2320144434 is 4344410232.

It is a happy number.

2320144434 is a `hidden beast` number, since 23 + 201 + 4 + 4 + 434 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1317472209 + 1002672225 = 36297^2 + 31665^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2320144398 and 2320144407.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64448439 + ... + 64448474.

Almost surely, 22320144434 is an apocalyptic number.

2320144434 is an abundant number, since it is smaller than the sum of its proper divisors (2706835212).

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

2320144434 is a wasteful number, since it uses less digits than its factorization.

2320144434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128896921 (or 128896918 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 2320144434 is about 48167.8776156891. The cubic root of 2320144434 is about 1323.8486609877.

Adding to 2320144434 its reverse (4344410232), we get a palindrome (6664554666).

The spelling of 2320144434 in words is "two billion, three hundred twenty million, one hundred forty-four thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 128896913 257793826 386690739 773381478 1160072217 2320144434