Search a number
-
+
142863372 = 22334330763
BaseRepresentation
bin10001000001111…
…10110000001100
3100221211012201000
420200332300030
5243033111442
622102020300
73353214201
oct1040766014
9327735630
10142863372
1173708403
123ba17690
13237a0752
1414d8bca8
15c81ed4c
hex883ec0c

142863372 has 48 divisors (see below), whose sum is σ = 379012480. Its totient is φ = 46512144.

The previous prime is 142863361. The next prime is 142863377. The reversal of 142863372 is 273368241.

It is a happy number.

142863372 is a `hidden beast` number, since 1 + 4 + 286 + 3 + 372 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (142863377) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10738 + ... + 20025.

Almost surely, 2142863372 is an apocalyptic number.

142863372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142863372 is an abundant number, since it is smaller than the sum of its proper divisors (236149108).

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

142863372 is a wasteful number, since it uses less digits than its factorization.

142863372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30819 (or 30811 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 142863372 is about 11952.5466742448. The cubic root of 142863372 is about 522.7655565770.

The spelling of 142863372 in words is "one hundred forty-two million, eight hundred sixty-three thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 43 54 86 108 129 172 258 387 516 774 1161 1548 2322 4644 30763 61526 92289 123052 184578 276867 369156 553734 830601 1107468 1322809 1661202 2645618 3322404 3968427 5291236 7936854 11905281 15873708 23810562 35715843 47621124 71431686 142863372