Search a number
-
+
1052106725 = 5242084269
BaseRepresentation
bin111110101101011…
…101111111100101
32201022201120002202
4332231131333211
54123314403400
6252222144245
735033521355
oct7655357745
92638646082
101052106725
1149a98339a
12254422085
13139c82477
149da32b65
15625754d5
hex3eb5dfe5

1052106725 has 6 divisors (see below), whose sum is σ = 1304612370. Its totient is φ = 841685360.

The previous prime is 1052106701. The next prime is 1052106739. The reversal of 1052106725 is 5276012501.

It can be written as a sum of positive squares in 3 ways, for example, as 2217121 + 1049889604 = 1489^2 + 32402^2 .

It is not a de Polignac number, because 1052106725 - 26 = 1052106661 is a prime.

It is a super-2 number, since 2×10521067252 = 2213857121580451250, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21042110 + ... + 21042159.

It is an arithmetic number, because the mean of its divisors is an integer number (217435395).

Almost surely, 21052106725 is an apocalyptic number.

It is an amenable number.

1052106725 is a deficient number, since it is larger than the sum of its proper divisors (252505645).

1052106725 is an equidigital number, since it uses as much as digits as its factorization.

1052106725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42084279 (or 42084274 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 1052106725 is about 32436.1946750848. The cubic root of 1052106725 is about 1017.0756701881.

The spelling of 1052106725 in words is "one billion, fifty-two million, one hundred six thousand, seven hundred twenty-five".

Divisors: 1 5 25 42084269 210421345 1052106725