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142525864 = 231310391319
BaseRepresentation
bin10000111111011…
…00010110101000
3100221012001201201
420133230112220
5242441311424
622050453544
73350310205
oct1037542650
9327161651
10142525864
11734a7878
123b8942b4
13236b2c40
1414d00cac
15c7a4d44
hex87ec5a8

142525864 has 32 divisors (see below), whose sum is σ = 288288000. Its totient is φ = 65668032.

The previous prime is 142525861. The next prime is 142525891. The reversal of 142525864 is 468525241.

142525864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (142525861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107397 + ... + 108715.

It is an arithmetic number, because the mean of its divisors is an integer number (9009000).

Almost surely, 2142525864 is an apocalyptic number.

It is an amenable number.

142525864 is an abundant number, since it is smaller than the sum of its proper divisors (145762136).

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

142525864 is a wasteful number, since it uses less digits than its factorization.

142525864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377 (or 2373 counting only the distinct ones).

The product of its digits is 76800, while the sum is 37.

The square root of 142525864 is about 11938.4196609099. The cubic root of 142525864 is about 522.3535622837.

The spelling of 142525864 in words is "one hundred forty-two million, five hundred twenty-five thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 13 26 52 104 1039 1319 2078 2638 4156 5276 8312 10552 13507 17147 27014 34294 54028 68588 108056 137176 1370441 2740882 5481764 10963528 17815733 35631466 71262932 142525864