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142875772 = 22132747611
BaseRepresentation
bin10001000010000…
…01110001111100
3100221211211201021
420201001301330
5243034011042
622102153524
73353265304
oct1041016174
9327754637
10142875772
1173716756
123ba228a4
13237a62a0
1414d92604
15c823867
hex8841c7c

142875772 has 12 divisors (see below), whose sum is σ = 269265976. Its totient is φ = 65942640.

The previous prime is 142875767. The next prime is 142875773. The reversal of 142875772 is 277578241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142875773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1373754 + ... + 1373857.

Almost surely, 2142875772 is an apocalyptic number.

It is an amenable number.

142875772 is a deficient number, since it is larger than the sum of its proper divisors (126390204).

142875772 is a wasteful number, since it uses less digits than its factorization.

142875772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747628 (or 2747626 counting only the distinct ones).

The product of its digits is 219520, while the sum is 43.

The square root of 142875772 is about 11953.0653808971. The cubic root of 142875772 is about 522.7806808300.

The spelling of 142875772 in words is "one hundred forty-two million, eight hundred seventy-five thousand, seven hundred seventy-two".

Divisors: 1 2 4 13 26 52 2747611 5495222 10990444 35718943 71437886 142875772