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130858 = 2713719
BaseRepresentation
bin11111111100101010
320122111121
4133330222
513141413
62445454
71053340
oct377452
9218447
10130858
118a352
126388a
1347740
1435990
1528b8d
hex1ff2a

130858 has 16 divisors (see below), whose sum is σ = 241920. Its totient is φ = 51696.

The previous prime is 130843. The next prime is 130859. The reversal of 130858 is 858031.

It is not an unprimeable number, because it can be changed into a prime (130859) by changing a digit.

130858 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, 178 + ... + 541.

It is an arithmetic number, because the mean of its divisors is an integer number (15120).

2130858 is an apocalyptic number.

130858 is a deficient number, since it is larger than the sum of its proper divisors (111062).

130858 is a wasteful number, since it uses less digits than its factorization.

130858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 130858 is about 361.7430026967. The cubic root of 130858 is about 50.7691734359.

Adding to 130858 its reverse (858031), we get a palindrome (988889).

The spelling of 130858 in words is "one hundred thirty thousand, eight hundred fifty-eight".

Divisors: 1 2 7 13 14 26 91 182 719 1438 5033 9347 10066 18694 65429 130858