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344343013 = 72983107191
BaseRepresentation
bin10100100001100…
…100000111100101
3212222221102210221
4110201210013211
51201122434023
654100244341
711350603330
oct2441440745
9788842727
10344343013
11167411003
12973a06b1
1356455381
1433a37617
152036c85d
hex148641e5

344343013 has 32 divisors (see below), whose sum is σ = 418037760. Its totient is φ = 277448640.

The previous prime is 344343001. The next prime is 344343017. The reversal of 344343013 is 310343443.

It is not a de Polignac number, because 344343013 - 25 = 344342981 is a prime.

It is a super-2 number, since 2×3443430132 = 237144221203836338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344343017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1802748 + ... + 1802938.

It is an arithmetic number, because the mean of its divisors is an integer number (13063680).

Almost surely, 2344343013 is an apocalyptic number.

It is an amenable number.

344343013 is a deficient number, since it is larger than the sum of its proper divisors (73694747).

344343013 is a wasteful number, since it uses less digits than its factorization.

344343013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 344343013 is about 18556.4816977788. The cubic root of 344343013 is about 700.9124244570.

Adding to 344343013 its reverse (310343443), we get a palindrome (654686456).

It can be divided in two parts, 3443430 and 13, that added together give a palindrome (3443443).

The spelling of 344343013 in words is "three hundred forty-four million, three hundred forty-three thousand, thirteen".

Divisors: 1 7 29 83 107 191 203 581 749 1337 2407 3103 5539 8881 15853 16849 20437 21721 38773 62167 110971 143059 257549 459737 592673 1696271 1802843 3218159 4148711 11873897 49191859 344343013