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105106 = 252553
BaseRepresentation
bin11001101010010010
312100011211
4121222102
511330411
62130334
7615301
oct315222
9170154
10105106
1171a71
12509aa
1338ac1
142a438
1521221
hex19a92

105106 has 4 divisors (see below), whose sum is σ = 157662. Its totient is φ = 52552.

The previous prime is 105097. The next prime is 105107. The reversal of 105106 is 601501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 601501 = 837247.

It can be written as a sum of positive squares in only one way, i.e., 67081 + 38025 = 259^2 + 195^2 .

It is a super-2 number, since 2×1051062 = 22094542472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26275 + ... + 26278.

2105106 is an apocalyptic number.

105106 is a deficient number, since it is larger than the sum of its proper divisors (52556).

105106 is an equidigital number, since it uses as much as digits as its factorization.

105106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52555.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 105106 is about 324.2005552124. The cubic root of 105106 is about 47.1928098786.

Adding to 105106 its reverse (601501), we get a palindrome (706607).

The spelling of 105106 in words is "one hundred five thousand, one hundred six".

Divisors: 1 2 52553 105106