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130782 = 2371307
BaseRepresentation
bin11111111011011110
320122101210
4133323132
513141112
62445250
71053201
oct377336
9218353
10130782
118a293
1263826
13476b2
1435938
1528b3c
hex1fede

130782 has 16 divisors (see below), whose sum is σ = 266112. Its totient is φ = 42840.

The previous prime is 130769. The next prime is 130783. The reversal of 130782 is 287031.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 130782.

It is not an unprimeable number, because it can be changed into a prime (130783) by changing a digit.

130782 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273 + ... + 579.

It is an arithmetic number, because the mean of its divisors is an integer number (16632).

2130782 is an apocalyptic number.

130782 is an abundant number, since it is smaller than the sum of its proper divisors (135330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130782 is a wasteful number, since it uses less digits than its factorization.

130782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 130782 is about 361.6379404874. The cubic root of 130782 is about 50.7593429214.

The spelling of 130782 in words is "one hundred thirty thousand, seven hundred eighty-two".

Divisors: 1 2 3 6 71 142 213 307 426 614 921 1842 21797 43594 65391 130782