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143294068 = 22233153749
BaseRepresentation
bin10001000101001…
…11111001110100
3100222122002111201
420202213321310
5243140402233
622115142244
73356656651
oct1042477164
9328562451
10143294068
1173981a55
123bba4984
13238c17b8
1415060c28
15c8a777d
hex88a7e74

143294068 has 12 divisors (see below), whose sum is σ = 251842500. Its totient is φ = 71339072.

The previous prime is 143294051. The next prime is 143294069. The reversal of 143294068 is 860492341.

143294068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 34550884 + 108743184 = 5878^2 + 10428^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143294069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75943 + ... + 77806.

It is an arithmetic number, because the mean of its divisors is an integer number (20986875).

Almost surely, 2143294068 is an apocalyptic number.

It is an amenable number.

143294068 is a deficient number, since it is larger than the sum of its proper divisors (108548432).

143294068 is a wasteful number, since it uses less digits than its factorization.

143294068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153986 (or 153984 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 143294068 is about 11970.5500291340. The cubic root of 143294068 is about 523.2903637170.

The spelling of 143294068 in words is "one hundred forty-three million, two hundred ninety-four thousand, sixty-eight".

Divisors: 1 2 4 233 466 932 153749 307498 614996 35823517 71647034 143294068