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1342546431 = 3738117559
BaseRepresentation
bin101000000000101…
…1010000111111111
310110120020102110220
41100001122013333
510222142441211
6341115232423
745161312352
oct12001320777
93416212426
101342546431
11629918006
12315748713
131851b3895
14ca438299
157cce6806
hex5005a1ff

1342546431 has 16 divisors (see below), whose sum is σ = 1817061120. Its totient is φ = 881565120.

The previous prime is 1342546417. The next prime is 1342546453. The reversal of 1342546431 is 1346452431.

It is a happy number.

It is not a de Polignac number, because 1342546431 - 215 = 1342513663 is a prime.

It is a super-2 number, since 2×13425464312 = 3604861838781675522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1342546392 and 1342546401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342546531) 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, 173830 + ... + 181388.

It is an arithmetic number, because the mean of its divisors is an integer number (113566320).

Almost surely, 21342546431 is an apocalyptic number.

1342546431 is a deficient number, since it is larger than the sum of its proper divisors (474514689).

1342546431 is an equidigital number, since it uses as much as digits as its factorization.

1342546431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8446.

The product of its digits is 34560, while the sum is 33.

The square root of 1342546431 is about 36640.7755239979. The cubic root of 1342546431 is about 1103.1716811411.

Adding to 1342546431 its reverse (1346452431), we get a palindrome (2688998862).

The spelling of 1342546431 in words is "one billion, three hundred forty-two million, five hundred forty-six thousand, four hundred thirty-one".

Divisors: 1 3 73 219 811 2433 7559 22677 59203 177609 551807 1655421 6130349 18391047 447515477 1342546431