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104830 = 2511953
BaseRepresentation
bin11001100101111110
312022210121
4121211332
511323310
62125154
7614425
oct314576
9168717
10104830
1171840
12507ba
133893b
142a2bc
15210da
hex1997e

104830 has 16 divisors (see below), whose sum is σ = 206064. Its totient is φ = 38080.

The previous prime is 104827. The next prime is 104831. The reversal of 104830 is 38401.

It can be divided in two parts, 104 and 830, that multiplied together give a triangular number (86320 = T415).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104831) 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 7 ways as a sum of consecutive naturals, for example, 367 + ... + 586.

It is an arithmetic number, because the mean of its divisors is an integer number (12879).

2104830 is an apocalyptic number.

104830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104830 is a deficient number, since it is larger than the sum of its proper divisors (101234).

104830 is a wasteful number, since it uses less digits than its factorization.

104830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 104830 is about 323.7746129640. The cubic root of 104830 is about 47.1514654795.

The spelling of 104830 in words is "one hundred four thousand, eight hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 953 1906 4765 9530 10483 20966 52415 104830