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142872585 = 359524839
BaseRepresentation
bin10001000010000…
…01000000001001
3100221211200100020
420201001000021
5243033410320
622102131053
73353253102
oct1041010011
9327750306
10142872585
1173714319
123ba20a89
13237a49bb
1414d913a9
15c822940
hex8841009

142872585 has 8 divisors (see below), whose sum is σ = 228596160. Its totient is φ = 76198704.

The previous prime is 142872557. The next prime is 142872593. The reversal of 142872585 is 585278241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142872585 - 28 = 142872329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4762405 + ... + 4762434.

It is an arithmetic number, because the mean of its divisors is an integer number (28574520).

Almost surely, 2142872585 is an apocalyptic number.

142872585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142872585 is a deficient number, since it is larger than the sum of its proper divisors (85723575).

142872585 is an equidigital number, since it uses as much as digits as its factorization.

142872585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9524847.

The product of its digits is 179200, while the sum is 42.

The square root of 142872585 is about 11952.9320670704. The cubic root of 142872585 is about 522.7767937366.

The spelling of 142872585 in words is "one hundred forty-two million, eight hundred seventy-two thousand, five hundred eighty-five".

Divisors: 1 3 5 15 9524839 28574517 47624195 142872585