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10530131 = 11393187
BaseRepresentation
bin101000001010…
…110101010011
3201210222121212
4220022311103
510143431011
61013410335
7155335043
oct50126523
921728555
1010530131
115a42497
1236399ab
132248c61
141581723
15dd008b
hexa0ad53

10530131 has 4 divisors (see below), whose sum is σ = 10623432. Its totient is φ = 10436832.

The previous prime is 10530119. The next prime is 10530133. The reversal of 10530131 is 13103501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13103501 = 56923029.

It is a cyclic number.

It is not a de Polignac number, because 10530131 - 210 = 10529107 is a prime.

It is a super-2 number, since 2×105301312 = 221767317754322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10530133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46481 + ... + 46706.

It is an arithmetic number, because the mean of its divisors is an integer number (2655858).

Almost surely, 210530131 is an apocalyptic number.

10530131 is a deficient number, since it is larger than the sum of its proper divisors (93301).

10530131 is an equidigital number, since it uses as much as digits as its factorization.

10530131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93300.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 10530131 is about 3245.0163327786. The cubic root of 10530131 is about 219.1852161496.

Adding to 10530131 its reverse (13103501), we get a palindrome (23633632).

The spelling of 10530131 in words is "ten million, five hundred thirty thousand, one hundred thirty-one".

Divisors: 1 113 93187 10530131