Search a number
-
+
1052439125 = 538419513
BaseRepresentation
bin111110101110101…
…111001001010101
32201100100110001212
4332232233021111
54123411023000
6252233231205
735036404433
oct7656571125
92640313055
101052439125
114a0090101
12254562505
1313a06a85a
149dabbd53
15625ddc35
hex3ebaf255

1052439125 has 8 divisors (see below), whose sum is σ = 1313444184. Its totient is φ = 841951200.

The previous prime is 1052439121. The next prime is 1052439131. The reversal of 1052439125 is 5219342501.

It can be written as a sum of positive squares in 4 ways, for example, as 166900561 + 885538564 = 12919^2 + 29758^2 .

It is not a de Polignac number, because 1052439125 - 22 = 1052439121 is a prime.

It is a super-2 number, since 2×10524391252 = 2215256223661531250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1052439091 and 1052439100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052439121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4209632 + ... + 4209881.

It is an arithmetic number, because the mean of its divisors is an integer number (164180523).

Almost surely, 21052439125 is an apocalyptic number.

It is an amenable number.

1052439125 is a deficient number, since it is larger than the sum of its proper divisors (261005059).

1052439125 is an frugal number, since it uses more digits than its factorization.

1052439125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8419528 (or 8419518 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1052439125 is about 32441.3181760544. The cubic root of 1052439125 is about 1017.1827697017.

The spelling of 1052439125 in words is "one billion, fifty-two million, four hundred thirty-nine thousand, one hundred twenty-five".

Divisors: 1 5 25 125 8419513 42097565 210487825 1052439125