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142782793 is a prime number
BaseRepresentation
bin10001000001010…
…11000101001001
3100221200010011121
420200223011021
5243023022133
622100155241
73352430236
oct1040530511
9327603147
10142782793
117366290a
123b998b21
1323772b7a
1414d6a78d
15c80602d
hex882b149

142782793 has 2 divisors, whose sum is σ = 142782794. Its totient is φ = 142782792.

The previous prime is 142782769. The next prime is 142782799. The reversal of 142782793 is 397287241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142730809 + 51984 = 11947^2 + 228^2 .

It is a cyclic number.

It is not a de Polignac number, because 142782793 - 29 = 142782281 is a prime.

It is not a weakly prime, because it can be changed into another prime (142782799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71391396 + 71391397.

It is an arithmetic number, because the mean of its divisors is an integer number (71391397).

Almost surely, 2142782793 is an apocalyptic number.

It is an amenable number.

142782793 is a deficient number, since it is larger than the sum of its proper divisors (1).

142782793 is an equidigital number, since it uses as much as digits as its factorization.

142782793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 43.

The square root of 142782793 is about 11949.1754108809. The cubic root of 142782793 is about 522.6672532181.

It can be divided in two parts, 14278 and 2793, that added together give a palindrome (17071).

The spelling of 142782793 in words is "one hundred forty-two million, seven hundred eighty-two thousand, seven hundred ninety-three".