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102530503 = 1074332213
BaseRepresentation
bin1100001110001…
…11110111000111
321010221002102001
412013013313013
5202221434003
614101330131
72353331515
oct607076707
9233832361
10102530503
115296a759
122a406947
131831b54a
14d88d4b5
15900461d
hex61c7dc7

102530503 has 8 divisors (see below), whose sum is σ = 103774608. Its totient is φ = 101291904.

The previous prime is 102530501. The next prime is 102530521. The reversal of 102530503 is 305035201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102530503 - 21 = 102530501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102530501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45225 + ... + 47437.

It is an arithmetic number, because the mean of its divisors is an integer number (12971826).

Almost surely, 2102530503 is an apocalyptic number.

102530503 is a deficient number, since it is larger than the sum of its proper divisors (1244105).

102530503 is a wasteful number, since it uses less digits than its factorization.

102530503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 102530503 is about 10125.7346893941. The cubic root of 102530503 is about 468.0415001429.

Adding to 102530503 its reverse (305035201), we get a palindrome (407565704).

The spelling of 102530503 in words is "one hundred two million, five hundred thirty thousand, five hundred three".

Divisors: 1 107 433 2213 46331 236791 958229 102530503