Search a number
-
+
142863492 = 22315237817
BaseRepresentation
bin10001000001111…
…10110010000100
3100221211012212110
420200332302010
5243033112432
622102021020
73353214432
oct1040766204
9327735773
10142863492
1173708502
123ba17770
13237a0815
1414d8bd52
15c81edcc
hex883ec84

142863492 has 24 divisors (see below), whose sum is σ = 333609696. Its totient is φ = 47583808.

The previous prime is 142863467. The next prime is 142863509. The reversal of 142863492 is 294368241.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 142863492.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14368 + ... + 22184.

It is an arithmetic number, because the mean of its divisors is an integer number (13900404).

Almost surely, 2142863492 is an apocalyptic number.

142863492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142863492 is an abundant number, since it is smaller than the sum of its proper divisors (190746204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142863492 is a wasteful number, since it uses less digits than its factorization.

142863492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9347 (or 9345 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 142863492 is about 11952.5516940944. The cubic root of 142863492 is about 522.7657029449.

The spelling of 142863492 in words is "one hundred forty-two million, eight hundred sixty-three thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 1523 3046 4569 6092 7817 9138 15634 18276 23451 31268 46902 93804 11905291 23810582 35715873 47621164 71431746 142863492