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130773 = 343591
BaseRepresentation
bin11111111011010101
320122101110
4133323111
513141043
62445233
71053156
oct377325
9218343
10130773
118a285
1263819
13476a6
143592d
1528b33
hex1fed5

130773 has 4 divisors (see below), whose sum is σ = 174368. Its totient is φ = 87180.

The previous prime is 130769. The next prime is 130783. The reversal of 130773 is 377031.

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.

It is not a de Polignac number, because 130773 - 22 = 130769 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130783) 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, 21793 + ... + 21798.

It is an arithmetic number, because the mean of its divisors is an integer number (43592).

2130773 is an apocalyptic number.

It is an amenable number.

130773 is a deficient number, since it is larger than the sum of its proper divisors (43595).

130773 is an equidigital number, since it uses as much as digits as its factorization.

130773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43594.

The product of its (nonzero) digits is 441, while the sum is 21.

The square root of 130773 is about 361.6254968887. The cubic root of 130773 is about 50.7581785294.

It can be divided in two parts, 130 and 773, that added together give a triangular number (903 = T42).

The spelling of 130773 in words is "one hundred thirty thousand, seven hundred seventy-three".

Divisors: 1 3 43591 130773