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142461568 = 272274903
BaseRepresentation
bin10000111110111…
…00101010000000
3100221001210112101
420133130222000
5242432232233
622045240144
73346621564
oct1037345200
9327053471
10142461568
1173463537
123b863054
132368c8b2
1414cc56a4
15c790c7d
hex87dca80

142461568 has 32 divisors (see below), whose sum is σ = 285118560. Its totient is φ = 70902528.

The previous prime is 142461551. The next prime is 142461589. The reversal of 142461568 is 865164241.

It is a tau number, because it is divible by the number of its divisors (32).

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, 26605 + ... + 31507.

It is an arithmetic number, because the mean of its divisors is an integer number (8909955).

Almost surely, 2142461568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142461568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142559280).

142461568 is an abundant number, since it is smaller than the sum of its proper divisors (142656992).

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

142461568 is an equidigital number, since it uses as much as digits as its factorization.

142461568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5144 (or 5132 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 142461568 is about 11935.7265384224. The cubic root of 142461568 is about 522.2750027501.

The spelling of 142461568 in words is "one hundred forty-two million, four hundred sixty-one thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 128 227 454 908 1816 3632 4903 7264 9806 14528 19612 29056 39224 78448 156896 313792 627584 1112981 2225962 4451924 8903848 17807696 35615392 71230784 142461568