Search a number
-
+
143252668 = 22132754859
BaseRepresentation
bin10001000100111…
…01110010111100
3100222112222201101
420202131302330
5243133041133
622114222444
73356425156
oct1042356274
9328488641
10143252668
1173953939
123bb84a24
13238a89c0
141504dad6
15c89a37d
hex889dcbc

143252668 has 12 divisors (see below), whose sum is σ = 269976280. Its totient is φ = 66116592.

The previous prime is 143252639. The next prime is 143252719. The reversal of 143252668 is 866252341.

143252668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1377378 + ... + 1377481.

Almost surely, 2143252668 is an apocalyptic number.

It is an amenable number.

143252668 is a deficient number, since it is larger than the sum of its proper divisors (126723612).

143252668 is a wasteful number, since it uses less digits than its factorization.

143252668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754876 (or 2754874 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 143252668 is about 11968.8206603658. The cubic root of 143252668 is about 523.2399631478.

The spelling of 143252668 in words is "one hundred forty-three million, two hundred fifty-two thousand, six hundred sixty-eight".

Divisors: 1 2 4 13 26 52 2754859 5509718 11019436 35813167 71626334 143252668