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105049 = 743349
BaseRepresentation
bin11001101001011001
312100002201
4121221121
511330144
62130201
7615160
oct315131
9170081
10105049
1171a1a
1250961
1338a79
142a3d7
15211d4
hex19a59

105049 has 8 divisors (see below), whose sum is σ = 123200. Its totient is φ = 87696.

The previous prime is 105037. The next prime is 105071. The reversal of 105049 is 940501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105049 - 29 = 104537 is a prime.

It is a super-2 number, since 2×1050492 = 22070584802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127 + ... + 475.

It is an arithmetic number, because the mean of its divisors is an integer number (15400).

2105049 is an apocalyptic number.

It is an amenable number.

105049 is a deficient number, since it is larger than the sum of its proper divisors (18151).

105049 is an equidigital number, since it uses as much as digits as its factorization.

105049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 105049 is about 324.1126347429. The cubic root of 105049 is about 47.1842772970.

The spelling of 105049 in words is "one hundred five thousand, forty-nine".

Divisors: 1 7 43 301 349 2443 15007 105049