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130663 = 1319232
BaseRepresentation
bin11111111001100111
320122020101
4133321213
513140123
62444531
71052641
oct377147
9218211
10130663
118a195
1263747
1347620
1435891
1528aad
hex1fe67

130663 has 12 divisors (see below), whose sum is σ = 154840. Its totient is φ = 109296.

The previous prime is 130657. The next prime is 130681. The reversal of 130663 is 366031.

It is a happy number.

It is not a de Polignac number, because 130663 - 25 = 130631 is a prime.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

130663 is a lucky number.

It is a plaindrome in base 15.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 130663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130633) 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 11 ways as a sum of consecutive naturals, for example, 5670 + ... + 5692.

2130663 is an apocalyptic number.

130663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

130663 is a deficient number, since it is larger than the sum of its proper divisors (24177).

130663 is a wasteful number, since it uses less digits than its factorization.

130663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 130663 is about 361.4733738465. The cubic root of 130663 is about 50.7439427522.

Adding to 130663 its reverse (366031), we get a palindrome (496694).

It can be divided in two parts, 1306 and 63, that added together give a square (1369 = 372).

The spelling of 130663 in words is "one hundred thirty thousand, six hundred sixty-three".

Divisors: 1 13 19 23 247 299 437 529 5681 6877 10051 130663