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142552325 = 5211350461
BaseRepresentation
bin10000111111100…
…10110100000101
3100221020102000202
420133302310011
5242443133300
622051220245
73350450306
oct1037626405
9327212022
10142552325
1173515743
123b8a7685
13236c1cb6
1414d0a7ad
15c7acad5
hex87f2d05

142552325 has 12 divisors (see below), whose sum is σ = 178332708. Its totient is φ = 113030400.

The previous prime is 142552301. The next prime is 142552331. The reversal of 142552325 is 523255241.

142552325 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 6 ways, for example, as 12432676 + 130119649 = 3526^2 + 11407^2 .

It is not a de Polignac number, because 142552325 - 220 = 141503749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22406 + ... + 28055.

It is an arithmetic number, because the mean of its divisors is an integer number (14861059).

Almost surely, 2142552325 is an apocalyptic number.

It is an amenable number.

142552325 is a deficient number, since it is larger than the sum of its proper divisors (35780383).

142552325 is a wasteful number, since it uses less digits than its factorization.

142552325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50584 (or 50579 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 142552325 is about 11939.5278382355. The cubic root of 142552325 is about 522.3858865743.

The spelling of 142552325 in words is "one hundred forty-two million, five hundred fifty-two thousand, three hundred twenty-five".

Divisors: 1 5 25 113 565 2825 50461 252305 1261525 5702093 28510465 142552325