Search a number
-
+
142914472 = 2317864309
BaseRepresentation
bin10001000010010…
…11001110101000
3100221220210210121
420201023032220
5243041230342
622103053024
73353516161
oct1041131650
9327823717
10142914472
1173742838
123ba41174
13237baa9c
1414da2768
15c830067
hex884b3a8

142914472 has 8 divisors (see below), whose sum is σ = 267964650. Its totient is φ = 71457232.

The previous prime is 142914469. The next prime is 142914481. The reversal of 142914472 is 274419241.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 128731716 + 14182756 = 11346^2 + 3766^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 8932147 + ... + 8932162.

Almost surely, 2142914472 is an apocalyptic number.

It is an amenable number.

142914472 is a deficient number, since it is larger than the sum of its proper divisors (125050178).

142914472 is a wasteful number, since it uses less digits than its factorization.

142914472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17864315 (or 17864311 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 142914472 is about 11954.6841028946. The cubic root of 142914472 is about 522.8278775092.

The spelling of 142914472 in words is "one hundred forty-two million, nine hundred fourteen thousand, four hundred seventy-two".

Divisors: 1 2 4 8 17864309 35728618 71457236 142914472