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142435025 = 5241791759
BaseRepresentation
bin10000111110101…
…10001011010001
3100221000110010022
420133112023101
5242430410100
622044513225
73346451315
oct1037261321
9327013108
10142435025
11734455a7
123b84b815
13236807a5
1414cb9b45
15c787e85
hex87d62d1

142435025 has 24 divisors (see below), whose sum is σ = 183321600. Its totient is φ = 109699200.

The previous prime is 142434991. The next prime is 142435063. The reversal of 142435025 is 520534241.

It is a happy number.

142435025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142435025 - 218 = 142172881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142434985 and 142435003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80096 + ... + 81854.

It is an arithmetic number, because the mean of its divisors is an integer number (7638400).

Almost surely, 2142435025 is an apocalyptic number.

It is an amenable number.

142435025 is a deficient number, since it is larger than the sum of its proper divisors (40886575).

142435025 is a wasteful number, since it uses less digits than its factorization.

142435025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889 (or 1884 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 142435025 is about 11934.6145727460. The cubic root of 142435025 is about 522.2425645128.

Adding to 142435025 its reverse (520534241), we get a palindrome (662969266).

The spelling of 142435025 in words is "one hundred forty-two million, four hundred thirty-five thousand, twenty-five".

Divisors: 1 5 25 41 79 205 395 1025 1759 1975 3239 8795 16195 43975 72119 80975 138961 360595 694805 1802975 3474025 5697401 28487005 142435025