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142114340 = 2257105717
BaseRepresentation
bin10000111100001…
…11111000100100
3100220102011020002
420132013320210
5242340124330
622034000432
73343644344
oct1036077044
9326364202
10142114340
1173246675
123b716118
132359a834
1414c34d24
15c722e45
hex8787e24

142114340 has 12 divisors (see below), whose sum is σ = 298440156. Its totient is φ = 56845728.

The previous prime is 142114333. The next prime is 142114351. The reversal of 142114340 is 43411241.

It can be written as a sum of positive squares in 2 ways, for example, as 102373924 + 39740416 = 10118^2 + 6304^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 7105717 = 142114340 / (1 + 4 + 2 + 1 + 1 + 4 + 3 + 4 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3552839 + ... + 3552878.

It is an arithmetic number, because the mean of its divisors is an integer number (24870013).

Almost surely, 2142114340 is an apocalyptic number.

142114340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142114340 is an abundant number, since it is smaller than the sum of its proper divisors (156325816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142114340 is a wasteful number, since it uses less digits than its factorization.

142114340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7105726 (or 7105724 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 142114340 is about 11921.1719222566. The cubic root of 142114340 is about 521.8503360761.

Adding to 142114340 its reverse (43411241), we get a palindrome (185525581).

The spelling of 142114340 in words is "one hundred forty-two million, one hundred fourteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 7105717 14211434 28422868 35528585 71057170 142114340