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1052205125 = 538417641
BaseRepresentation
bin111110101101110…
…110000001000101
32201022220120002012
4332231312001011
54123331031000
6252224224005
735034411266
oct7655660105
92638816065
101052205125
1149aa40314
1225446b005
13139cb81aa
149da5a96d
1562594735
hex3eb76045

1052205125 has 8 divisors (see below), whose sum is σ = 1313152152. Its totient is φ = 841764000.

The previous prime is 1052205107. The next prime is 1052205211. The reversal of 1052205125 is 5215022501.

It can be written as a sum of positive squares in 4 ways, for example, as 30316036 + 1021889089 = 5506^2 + 31967^2 .

It is not a de Polignac number, because 1052205125 - 26 = 1052205061 is a prime.

It is a super-2 number, since 2×10522051252 = 2214271250152531250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1052205125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4208696 + ... + 4208945.

It is an arithmetic number, because the mean of its divisors is an integer number (164144019).

Almost surely, 21052205125 is an apocalyptic number.

It is an amenable number.

1052205125 is a deficient number, since it is larger than the sum of its proper divisors (260947027).

1052205125 is an frugal number, since it uses more digits than its factorization.

1052205125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8417656 (or 8417646 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 1052205125 is about 32437.7114636653. The cubic root of 1052205125 is about 1017.1073770875.

Adding to 1052205125 its reverse (5215022501), we get a palindrome (6267227626).

The spelling of 1052205125 in words is "one billion, fifty-two million, two hundred five thousand, one hundred twenty-five".

Divisors: 1 5 25 125 8417641 42088205 210441025 1052205125