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2344742309 = 71328019199
BaseRepresentation
bin1000101111000001…
…1110110110100101
320001102001020202202
42023300132312211
514300223223214
61024355544245
7112050660260
oct21360366645
96042036682
102344742309
11aa3600668
125552bb085
132b4a0c3b0
14183597cd7
15dacad6de
hex8bc1eda5

2344742309 has 16 divisors (see below), whose sum is σ = 2887180800. Its totient is φ = 1854316800.

The previous prime is 2344742299. The next prime is 2344742321. The reversal of 2344742309 is 9032474432.

It is not a de Polignac number, because 2344742309 - 212 = 2344738213 is a prime.

It is a super-2 number, since 2×23447423092 = 10995632991229302962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2344742369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250292 + ... + 259490.

It is an arithmetic number, because the mean of its divisors is an integer number (180448800).

Almost surely, 22344742309 is an apocalyptic number.

It is an amenable number.

2344742309 is a deficient number, since it is larger than the sum of its proper divisors (542438491).

2344742309 is a wasteful number, since it uses less digits than its factorization.

2344742309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12020.

The product of its (nonzero) digits is 145152, while the sum is 38.

The square root of 2344742309 is about 48422.5392663375. The cubic root of 2344742309 is about 1328.5106491457.

It can be divided in two parts, 23447 and 42309, that added together give a palindrome (65756).

The spelling of 2344742309 in words is "two billion, three hundred forty-four million, seven hundred forty-two thousand, three hundred nine".

Divisors: 1 7 13 91 2801 9199 19607 36413 64393 119587 254891 837109 25766399 180364793 334963187 2344742309