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142283967 = 376775427
BaseRepresentation
bin10000111101100…
…01010010111111
3100220201202220120
420132301102333
5242411041332
622041350023
73345252030
oct1036612277
9326652816
10142283967
1173352061
123b798313
1323629ac7
1414c7aa87
15c75832c
hex87b14bf

142283967 has 8 divisors (see below), whose sum is σ = 216813696. Its totient is φ = 81305112.

The previous prime is 142283927. The next prime is 142283969. The reversal of 142283967 is 769382241.

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

It is not a de Polignac number, because 142283967 - 27 = 142283839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142283969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3387693 + ... + 3387734.

It is an arithmetic number, because the mean of its divisors is an integer number (27101712).

Almost surely, 2142283967 is an apocalyptic number.

142283967 is a deficient number, since it is larger than the sum of its proper divisors (74529729).

142283967 is an equidigital number, since it uses as much as digits as its factorization.

142283967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6775437.

The product of its digits is 145152, while the sum is 42.

The square root of 142283967 is about 11928.2843275972. The cubic root of 142283967 is about 522.0578795497.

The spelling of 142283967 in words is "one hundred forty-two million, two hundred eighty-three thousand, nine hundred sixty-seven".

Divisors: 1 3 7 21 6775427 20326281 47427989 142283967