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142341423 = 3724192311
BaseRepresentation
bin10000111101111…
…11010100101111
3100220211200201120
420132333110233
5242414411143
622042512023
73345611400
oct1036772457
9326750646
10142341423
1173391244
123b805613
1323649cc3
1414c939a7
15c76a383
hex87bf52f

142341423 has 24 divisors (see below), whose sum is σ = 221397120. Its totient is φ = 81108720.

The previous prime is 142341401. The next prime is 142341443. The reversal of 142341423 is 324143241.

It is not a de Polignac number, because 142341423 - 29 = 142340911 is a prime.

It is a super-2 number, since 2×1423414232 = 40522161403329858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142341393 and 142341402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142341443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60438 + ... + 62748.

It is an arithmetic number, because the mean of its divisors is an integer number (9224880).

Almost surely, 2142341423 is an apocalyptic number.

142341423 is a deficient number, since it is larger than the sum of its proper divisors (79055697).

142341423 is a wasteful number, since it uses less digits than its factorization.

142341423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747 (or 2740 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 142341423 is about 11930.6924778070. The cubic root of 142341423 is about 522.1281412045.

Adding to 142341423 its reverse (324143241), we get a palindrome (466484664).

The spelling of 142341423 in words is "one hundred forty-two million, three hundred forty-one thousand, four hundred twenty-three".

Divisors: 1 3 7 21 49 147 419 1257 2311 2933 6933 8799 16177 20531 48531 61593 113239 339717 968309 2904927 6778163 20334489 47447141 142341423