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105252 = 22372179
BaseRepresentation
bin11001101100100100
312100101020
4121230210
511332002
62131140
7615600
oct315444
9170336
10105252
1172094
1250ab0
1338ba4
142a500
15212bc
hex19b24

105252 has 36 divisors (see below), whose sum is σ = 287280. Its totient is φ = 29904.

The previous prime is 105251. The next prime is 105253. The reversal of 105252 is 252501.

It is an interprime number because it is at equal distance from previous prime (105251) and next prime (105253).

It is a super-2 number, since 2×1052522 = 22155967008, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (105251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 499 + ... + 677.

It is an arithmetic number, because the mean of its divisors is an integer number (7980).

2105252 is an apocalyptic number.

105252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143640).

105252 is an abundant number, since it is smaller than the sum of its proper divisors (182028).

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

105252 is a wasteful number, since it uses less digits than its factorization.

105252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 105252 is about 324.4256463352. The cubic root of 105252 is about 47.2146512020.

Adding to 105252 its reverse (252501), we get a palindrome (357753).

The spelling of 105252 in words is "one hundred five thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 179 196 294 358 537 588 716 1074 1253 2148 2506 3759 5012 7518 8771 15036 17542 26313 35084 52626 105252