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105731324 = 2243614717
BaseRepresentation
bin1100100110101…
…01010011111100
321100221201002222
412103111103330
5204031400244
614254104512
72422462406
oct623252374
9240851088
10105731324
1154756566
122b4ab138
1318b9c41a
1410083b76
159437bee
hex64d54fc

105731324 has 12 divisors (see below), whose sum is σ = 189333144. Its totient is φ = 51636144.

The previous prime is 105731321. The next prime is 105731357. The reversal of 105731324 is 423137501.

It is a super-2 number, since 2×1057313242 = 22358225749585952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105731293 and 105731302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105731321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307187 + ... + 307530.

It is an arithmetic number, because the mean of its divisors is an integer number (15777762).

Almost surely, 2105731324 is an apocalyptic number.

It is an amenable number.

105731324 is a deficient number, since it is larger than the sum of its proper divisors (83601820).

105731324 is a wasteful number, since it uses less digits than its factorization.

105731324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614764 (or 614762 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 105731324 is about 10282.5738023123. The cubic root of 105731324 is about 472.8621547195.

Adding to 105731324 its reverse (423137501), we get a palindrome (528868825).

The spelling of 105731324 in words is "one hundred five million, seven hundred thirty-one thousand, three hundred twenty-four".

Divisors: 1 2 4 43 86 172 614717 1229434 2458868 26432831 52865662 105731324