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1342405441 = 13137375209
BaseRepresentation
bin101000000000011…
…0111101101000001
310110112222021002001
41100000313231001
510222123433231
6341112224001
745160154326
oct12000675501
93415867061
101342405441
11629831093
1231569b001
13185164660
14ca3dcb4d
157ccb9b61
hex50037b41

1342405441 has 8 divisors (see below), whose sum is σ = 1446739560. Its totient is φ = 1238224512.

The previous prime is 1342405439. The next prime is 1342405453. The reversal of 1342405441 is 1445042431.

It can be written as a sum of positive squares in 4 ways, for example, as 691900416 + 650505025 = 26304^2 + 25505^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1342405441 - 21 = 1342405439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342405411) 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, 19756 + ... + 55453.

It is an arithmetic number, because the mean of its divisors is an integer number (180842445).

Almost surely, 21342405441 is an apocalyptic number.

It is an amenable number.

1342405441 is a deficient number, since it is larger than the sum of its proper divisors (104334119).

1342405441 is a wasteful number, since it uses less digits than its factorization.

1342405441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76595.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1342405441 is about 36638.8515240312. The cubic root of 1342405441 is about 1103.1330625834.

Adding to 1342405441 its reverse (1445042431), we get a palindrome (2787447872).

The spelling of 1342405441 in words is "one billion, three hundred forty-two million, four hundred five thousand, four hundred forty-one".

Divisors: 1 13 1373 17849 75209 977717 103261957 1342405441