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1343885441 = 1936963137
BaseRepresentation
bin101000000011010…
…0001000010000001
310110122202110020212
41100012201002001
510223013313231
6341204043505
745205560233
oct12006410201
93418673225
101343885441
1162a652028
12316093595
131855621b2
14ca6a6253
157cead42b
hex501a1081

1343885441 has 4 divisors (see below), whose sum is σ = 1350848772. Its totient is φ = 1336922112.

The previous prime is 1343885419. The next prime is 1343885443. The reversal of 1343885441 is 1445883431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 947716225 + 396169216 = 30785^2 + 19904^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343885441 - 210 = 1343884417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343885443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3481376 + ... + 3481761.

It is an arithmetic number, because the mean of its divisors is an integer number (337712193).

Almost surely, 21343885441 is an apocalyptic number.

It is an amenable number.

1343885441 is a deficient number, since it is larger than the sum of its proper divisors (6963331).

1343885441 is an equidigital number, since it uses as much as digits as its factorization.

1343885441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6963330.

The product of its digits is 184320, while the sum is 41.

The square root of 1343885441 is about 36659.0430998956. The cubic root of 1343885441 is about 1103.5383145430.

The spelling of 1343885441 in words is "one billion, three hundred forty-three million, eight hundred eighty-five thousand, four hundred forty-one".

Divisors: 1 193 6963137 1343885441