Search a number
-
+
103202525 = 524128101
BaseRepresentation
bin1100010011010…
…11111011011101
321012012020020202
412021223323131
5202404440100
614123553245
72362130666
oct611537335
9235166222
10103202525
1153289648
122a68b825
13184c53aa
14d9c636d
1590d87d5
hex626bedd

103202525 has 6 divisors (see below), whose sum is σ = 127971162. Its totient is φ = 82562000.

The previous prime is 103202521. The next prime is 103202527. The reversal of 103202525 is 525202301.

It can be written as a sum of positive squares in 3 ways, for example, as 6160324 + 97042201 = 2482^2 + 9851^2 .

It is not a de Polignac number, because 103202525 - 22 = 103202521 is a prime.

It is a super-2 number, since 2×1032025252 = 21301522332751250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103202497 and 103202506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103202521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2064026 + ... + 2064075.

It is an arithmetic number, because the mean of its divisors is an integer number (21328527).

Almost surely, 2103202525 is an apocalyptic number.

It is an amenable number.

103202525 is a deficient number, since it is larger than the sum of its proper divisors (24768637).

103202525 is an equidigital number, since it uses as much as digits as its factorization.

103202525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4128111 (or 4128106 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 103202525 is about 10158.8643558225. The cubic root of 103202525 is about 469.0618452335.

Adding to 103202525 its reverse (525202301), we get a palindrome (628404826).

The spelling of 103202525 in words is "one hundred three million, two hundred two thousand, five hundred twenty-five".

Divisors: 1 5 25 4128101 20640505 103202525