Search a number
-
+
142836790 = 25130110979
BaseRepresentation
bin10001000001110…
…00010000110110
3100221202212020111
420200320100312
5243031234130
622101253234
73353043535
oct1040702066
9327685214
10142836790
117369a438
123ba0421a
1323791615
1414d8231c
15c81702a
hex8838436

142836790 has 16 divisors (see below), whose sum is σ = 257327280. Its totient is φ = 57085600.

The previous prime is 142836779. The next prime is 142836797. The reversal of 142836790 is 97638241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142836797) 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, 7521 + ... + 18499.

It is an arithmetic number, because the mean of its divisors is an integer number (16082955).

Almost surely, 2142836790 is an apocalyptic number.

142836790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142836790 is a deficient number, since it is larger than the sum of its proper divisors (114490490).

142836790 is a wasteful number, since it uses less digits than its factorization.

142836790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12287.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 142836790 is about 11951.4346419164. The cubic root of 142836790 is about 522.7331316202.

The spelling of 142836790 in words is "one hundred forty-two million, eight hundred thirty-six thousand, seven hundred ninety".

Divisors: 1 2 5 10 1301 2602 6505 10979 13010 21958 54895 109790 14283679 28567358 71418395 142836790