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143968612 = 2235992153
BaseRepresentation
bin10001001010011…
…00100101100100
3101000220100210211
420211030211210
5243323443422
622141425204
73365466364
oct1045144544
9330810724
10143968612
11742a2827
124026b204
1323a99838
14151989a4
15c98c577
hex894c964

143968612 has 6 divisors (see below), whose sum is σ = 251945078. Its totient is φ = 71984304.

The previous prime is 143968553. The next prime is 143968633. The reversal of 143968612 is 216869341.

It can be written as a sum of positive squares in only one way, i.e., 110166016 + 33802596 = 10496^2 + 5814^2 .

It is a super-2 number, since 2×1439686122 = 41453922482413088, which contains 22 as substring.

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, 17996073 + ... + 17996080.

Almost surely, 2143968612 is an apocalyptic number.

It is an amenable number.

143968612 is a deficient number, since it is larger than the sum of its proper divisors (107976466).

143968612 is a wasteful number, since it uses less digits than its factorization.

143968612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35992157 (or 35992155 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 143968612 is about 11998.6920953911. The cubic root of 143968612 is about 524.1101928194.

The spelling of 143968612 in words is "one hundred forty-three million, nine hundred sixty-eight thousand, six hundred twelve".

Divisors: 1 2 4 35992153 71984306 143968612