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142341434 = 2235475657
BaseRepresentation
bin10000111101111…
…11010100111010
3100220211200201222
420132333110322
5242414411214
622042512042
73345611414
oct1036772472
9326750658
10142341434
1173391254
123b805622
132364a001
1414c939b4
15c76a38e
hex87bf53a

142341434 has 16 divisors (see below), whose sum is σ = 223242048. Its totient is φ = 67939872.

The previous prime is 142341401. The next prime is 142341443. The reversal of 142341434 is 434143241.

It is a super-2 number, since 2×1423414342 = 40522167666352712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22334 + ... + 27990.

It is an arithmetic number, because the mean of its divisors is an integer number (13952628).

Almost surely, 2142341434 is an apocalyptic number.

142341434 is a deficient number, since it is larger than the sum of its proper divisors (80900614).

142341434 is a wasteful number, since it uses less digits than its factorization.

142341434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6229.

The product of its digits is 4608, while the sum is 26.

The square root of 142341434 is about 11930.6929388028. The cubic root of 142341434 is about 522.1281546544.

Adding to 142341434 its reverse (434143241), we get a palindrome (576484675).

The spelling of 142341434 in words is "one hundred forty-two million, three hundred forty-one thousand, four hundred thirty-four".

Divisors: 1 2 23 46 547 1094 5657 11314 12581 25162 130111 260222 3094379 6188758 71170717 142341434