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105945252 = 22372180179
BaseRepresentation
bin1100101000010…
…01100010100100
321101100120120020
412110021202210
5204110222002
614302435140
72424343200
oct624114244
9241316506
10105945252
1154892266
122b592ab0
1318c458ca
14100dbb00
15947b2bc
hex65098a4

105945252 has 36 divisors (see below), whose sum is σ = 287567280. Its totient is φ = 30269904.

The previous prime is 105945239. The next prime is 105945253. The reversal of 105945252 is 252549501.

It is a super-2 number, since 2×1059452522 = 22448792842687008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105945253) 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, 89502 + ... + 90677.

It is an arithmetic number, because the mean of its divisors is an integer number (7987980).

Almost surely, 2105945252 is an apocalyptic number.

105945252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105945252 is an abundant number, since it is smaller than the sum of its proper divisors (181622028).

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

105945252 is a wasteful number, since it uses less digits than its factorization.

105945252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180200 (or 180191 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 105945252 is about 10292.9709996677. The cubic root of 105945252 is about 473.1808565718.

The spelling of 105945252 in words is "one hundred five million, nine hundred forty-five thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 180179 360358 540537 720716 1081074 1261253 2162148 2522506 3783759 5045012 7567518 8828771 15135036 17657542 26486313 35315084 52972626 105945252