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1342534143 = 331109132439
BaseRepresentation
bin101000000000101…
…0111000111111111
310110120012210121210
41100001113013333
510222142043033
6341115055503
745161231466
oct12001270777
93416183553
101342534143
11629909855
12315741593
131851ab102
14ca4339dd
157cce2d63
hex500571ff

1342534143 has 16 divisors (see below), whose sum is σ = 1864755200. Its totient is φ = 858198240.

The previous prime is 1342534139. The next prime is 1342534153. The reversal of 1342534143 is 3414352431.

It is not a de Polignac number, because 1342534143 - 22 = 1342534139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1342534143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342534133) 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, 56083 + ... + 76356.

It is an arithmetic number, because the mean of its divisors is an integer number (116547200).

Almost surely, 21342534143 is an apocalyptic number.

1342534143 is a deficient number, since it is larger than the sum of its proper divisors (522221057).

1342534143 is a wasteful number, since it uses less digits than its factorization.

1342534143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132582.

The product of its digits is 17280, while the sum is 30.

The square root of 1342534143 is about 36640.6078415738. The cubic root of 1342534143 is about 1103.1683154437.

Adding to 1342534143 its reverse (3414352431), we get a palindrome (4756886574).

The spelling of 1342534143 in words is "one billion, three hundred forty-two million, five hundred thirty-four thousand, one hundred forty-three".

Divisors: 1 3 31 93 109 327 3379 10137 132439 397317 4105609 12316827 14435851 43307553 447511381 1342534143