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1343242545 = 35157570379
BaseRepresentation
bin101000000010000…
…0100000100110001
310110121112210100220
41100010010010301
510222332230140
6341142203253
745200242011
oct12004040461
93417483326
101343242545
1162a253007
12315a23529
13185398698
14ca579c41
157cdd2bd0
hex50104131

1343242545 has 16 divisors (see below), whose sum is σ = 2162880960. Its totient is φ = 711831744.

The previous prime is 1343242541. The next prime is 1343242577. The reversal of 1343242545 is 5452423431.

It is not a de Polignac number, because 1343242545 - 22 = 1343242541 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1343242541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282835 + ... + 287544.

It is an arithmetic number, because the mean of its divisors is an integer number (135180060).

Almost surely, 21343242545 is an apocalyptic number.

1343242545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1343242545 is a deficient number, since it is larger than the sum of its proper divisors (819638415).

1343242545 is a wasteful number, since it uses less digits than its factorization.

1343242545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570544.

The product of its digits is 57600, while the sum is 33.

The square root of 1343242545 is about 36650.2734641912. The cubic root of 1343242545 is about 1103.3623140426.

Adding to 1343242545 its reverse (5452423431), we get a palindrome (6795665976).

The spelling of 1343242545 in words is "one billion, three hundred forty-three million, two hundred forty-two thousand, five hundred forty-five".

Divisors: 1 3 5 15 157 471 785 2355 570379 1711137 2851895 8555685 89549503 268648509 447747515 1343242545