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1343349249 = 31140707553
BaseRepresentation
bin101000000010001…
…1110001000000001
310110121202012201220
41100010132020001
510222344133444
6341144345253
745201165054
oct12004361001
93417665656
101343349249
1162a3161a0
12315a75229
13185405118
14ca5a6a9b
157ce04619
hex5011e201

1343349249 has 8 divisors (see below), whose sum is σ = 1953962592. Its totient is φ = 814151040.

The previous prime is 1343349233. The next prime is 1343349251. The reversal of 1343349249 is 9429433431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1343349249 - 24 = 1343349233 is a prime.

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 1343349249.

It is not an unprimeable number, because it can be changed into a prime (1343349209) 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, 20353744 + ... + 20353809.

It is an arithmetic number, because the mean of its divisors is an integer number (244245324).

Almost surely, 21343349249 is an apocalyptic number.

It is an amenable number.

1343349249 is a deficient number, since it is larger than the sum of its proper divisors (610613343).

1343349249 is a wasteful number, since it uses less digits than its factorization.

1343349249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40707567.

The product of its digits is 279936, while the sum is 42.

The square root of 1343349249 is about 36651.7291406558. The cubic root of 1343349249 is about 1103.3915294303.

The spelling of 1343349249 in words is "one billion, three hundred forty-three million, three hundred forty-nine thousand, two hundred forty-nine".

Divisors: 1 3 11 33 40707553 122122659 447783083 1343349249