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1345502143 = 34914512657
BaseRepresentation
bin101000000110010…
…1011101110111111
310110202210120221201
41100030223232333
510223422032033
6341302440331
745225402526
oct12014535677
93422716851
101345502143
11630556747
123167330a7
131859aa01b
14ca9a74bd
157d1cc47d
hex5032bbbf

1345502143 has 8 divisors (see below), whose sum is σ = 1350795600. Its totient is φ = 1340217600.

The previous prime is 1345502141. The next prime is 1345502153. The reversal of 1345502143 is 3412055431.

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 1345502143 - 21 = 1345502141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345502141) 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, 505071 + ... + 507727.

It is an arithmetic number, because the mean of its divisors is an integer number (168849450).

Almost surely, 21345502143 is an apocalyptic number.

1345502143 is a deficient number, since it is larger than the sum of its proper divisors (5293457).

1345502143 is a wasteful number, since it uses less digits than its factorization.

1345502143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1345502143 is about 36681.0869931631. The cubic root of 1345502143 is about 1103.9806582128.

Adding to 1345502143 its reverse (3412055431), we get a palindrome (4757557574).

The spelling of 1345502143 in words is "one billion, three hundred forty-five million, five hundred two thousand, one hundred forty-three".

Divisors: 1 349 1451 2657 506399 927293 3855307 1345502143