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142758325 = 525710333
BaseRepresentation
bin10001000001001…
…01000110110101
3100221121212121101
420200211012311
5243021231300
622055450101
73352266013
oct1040450665
9327555541
10142758325
1173646496
123b986931
13237649a8
1414d618b3
15c7edb6a
hex88251b5

142758325 has 6 divisors (see below), whose sum is σ = 177020354. Its totient is φ = 114206640.

The previous prime is 142758311. The next prime is 142758337. The reversal of 142758325 is 523857241.

It can be written as a sum of positive squares in 3 ways, for example, as 2241009 + 140517316 = 1497^2 + 11854^2 .

It is a de Polignac number, because none of the positive numbers 2k-142758325 is a prime.

It is a Duffinian number.

It is a congruent number.

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 in 5 ways as a sum of consecutive naturals, for example, 2855142 + ... + 2855191.

Almost surely, 2142758325 is an apocalyptic number.

It is an amenable number.

142758325 is a deficient number, since it is larger than the sum of its proper divisors (34262029).

142758325 is an equidigital number, since it uses as much as digits as its factorization.

142758325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5710343 (or 5710338 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The square root of 142758325 is about 11948.1515306762. The cubic root of 142758325 is about 522.6373958554.

The spelling of 142758325 in words is "one hundred forty-two million, seven hundred fifty-eight thousand, three hundred twenty-five".

Divisors: 1 5 25 5710333 28551665 142758325