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142043307 = 3724632087
BaseRepresentation
bin10000111011101…
…10100010101011
3100220021112210020
420131312202223
5242330341212
622032251523
73343230300
oct1035664253
9326245706
10142043307
11731a826a
123b6a0ba3
13235743c3
1414c170a7
15c70bd8c
hex87768ab

142043307 has 24 divisors (see below), whose sum is σ = 220893696. Its totient is φ = 80953488.

The previous prime is 142043303. The next prime is 142043309. The reversal of 142043307 is 703340241.

It is not a de Polignac number, because 142043307 - 22 = 142043303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142043303) 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, 67018 + ... + 69104.

It is an arithmetic number, because the mean of its divisors is an integer number (9203904).

Almost surely, 2142043307 is an apocalyptic number.

142043307 is a deficient number, since it is larger than the sum of its proper divisors (78850389).

142043307 is a wasteful number, since it uses less digits than its factorization.

142043307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567 (or 2560 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 142043307 is about 11918.1922706424. The cubic root of 142043307 is about 521.7633761145.

Adding to 142043307 its reverse (703340241), we get a palindrome (845383548).

The spelling of 142043307 in words is "one hundred forty-two million, forty-three thousand, three hundred seven".

Divisors: 1 3 7 21 49 147 463 1389 2087 3241 6261 9723 14609 22687 43827 68061 102263 306789 966281 2898843 6763967 20291901 47347769 142043307