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1341980439 = 3447326813
BaseRepresentation
bin100111111111100…
…1111111100010111
310110112011200002020
41033333033330113
510222021333224
6341055144223
745153434262
oct11777177427
93415150066
101341980439
11629570848
12315515073
13185046087
14ca32bcd9
157cc33c79
hex4ffcff17

1341980439 has 4 divisors (see below), whose sum is σ = 1789307256. Its totient is φ = 894653624.

The previous prime is 1341980401. The next prime is 1341980461. The reversal of 1341980439 is 9340891431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9340891431 = 33113630477.

It is a cyclic number.

It is not a de Polignac number, because 1341980439 - 28 = 1341980183 is a prime.

It is a super-2 number, since 2×13419804392 = 3601822997317265442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1341980439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341980039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223663404 + ... + 223663409.

It is an arithmetic number, because the mean of its divisors is an integer number (447326814).

Almost surely, 21341980439 is an apocalyptic number.

1341980439 is a deficient number, since it is larger than the sum of its proper divisors (447326817).

1341980439 is an equidigital number, since it uses as much as digits as its factorization.

1341980439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447326816.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 1341980439 is about 36633.0511833235. The cubic root of 1341980439 is about 1103.0166339622.

The spelling of 1341980439 in words is "one billion, three hundred forty-one million, nine hundred eighty thousand, four hundred thirty-nine".

Divisors: 1 3 447326813 1341980439