Search a number
-
+
102052313 = 119277483
BaseRepresentation
bin1100001010100…
…11000111011001
321010000210110022
412011103013121
5202111133223
614043200225
72346300416
oct605230731
9233023408
10102052313
1152673460
122a216075
13181b19ac
14d7a710d
158e5cac8
hex61531d9

102052313 has 4 divisors (see below), whose sum is σ = 111329808. Its totient is φ = 92774820.

The previous prime is 102052303. The next prime is 102052331. The reversal of 102052313 is 313250201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313250201 = 1128477291.

It is a cyclic number.

It is not a de Polignac number, because 102052313 - 214 = 102035929 is a prime.

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 = 102052291 and 102052300.

It is not an unprimeable number, because it can be changed into a prime (102052303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4638731 + ... + 4638752.

It is an arithmetic number, because the mean of its divisors is an integer number (27832452).

Almost surely, 2102052313 is an apocalyptic number.

It is an amenable number.

102052313 is a deficient number, since it is larger than the sum of its proper divisors (9277495).

102052313 is an equidigital number, since it uses as much as digits as its factorization.

102052313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9277494.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 102052313 is about 10102.0944857985. The cubic root of 102052313 is about 467.3127361553.

The spelling of 102052313 in words is "one hundred two million, fifty-two thousand, three hundred thirteen".

Divisors: 1 11 9277483 102052313