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105242202 = 232136173101
BaseRepresentation
bin1100100010111…
…01111001011010
321100000212011100
412101131321122
5203420222302
614235412230
72415354402
oct621357132
9240025140
10105242202
115445202a
122b2b4076
1318a5a8c0
14dd97802
15938cd1c
hex645de5a

105242202 has 96 divisors (see below), whose sum is σ = 255514896. Its totient is φ = 31104000.

The previous prime is 105242183. The next prime is 105242209. The reversal of 105242202 is 202242501.

It can be written as a sum of positive squares in 8 ways, for example, as 35034561 + 70207641 = 5919^2 + 8379^2 .

It is a super-2 number, since 2×1052422022 = 22151842163617608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (105242209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1041952 + ... + 1042052.

Almost surely, 2105242202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105242202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127757448).

105242202 is an abundant number, since it is smaller than the sum of its proper divisors (150272694).

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

105242202 is a wasteful number, since it uses less digits than its factorization.

105242202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 105242202 is about 10258.7622060364. The cubic root of 105242202 is about 472.1318607221.

Adding to 105242202 its reverse (202242501), we get a palindrome (307484703).

The spelling of 105242202 in words is "one hundred five million, two hundred forty-two thousand, two hundred two".

Divisors: 1 2 3 6 9 13 18 26 39 61 73 78 101 117 122 146 183 202 219 234 303 366 438 549 606 657 793 909 949 1098 1313 1314 1586 1818 1898 2379 2626 2847 3939 4453 4758 5694 6161 7137 7373 7878 8541 8906 11817 12322 13359 14274 14746 17082 18483 22119 23634 26718 36966 40077 44238 55449 57889 66357 80093 80154 95849 110898 115778 132714 160186 173667 191698 240279 287547 347334 449753 480558 521001 575094 720837 862641 899506 1042002 1349259 1441674 1725282 2698518 4047777 5846789 8095554 11693578 17540367 35080734 52621101 105242202