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105382044 = 223223137929
BaseRepresentation
bin1100100100000…
…00000010011100
321100021221222200
412102000002130
5203434211134
614242411500
72416506165
oct622000234
9240257880
10105382044
11545380a9
122b360b90
1318aa9451
14ddd276c
1593b9499
hex648009c

105382044 has 72 divisors (see below), whose sum is σ = 280294560. Its totient is φ = 33318912.

The previous prime is 105382019. The next prime is 105382049. The reversal of 105382044 is 440283501.

It is a super-2 number, since 2×1053820442 = 22210750395235872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105381999 and 105382017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105382049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112972 + ... + 113900.

It is an arithmetic number, because the mean of its divisors is an integer number (3892980).

Almost surely, 2105382044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105382044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140147280).

105382044 is an abundant number, since it is smaller than the sum of its proper divisors (174912516).

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

105382044 is a wasteful number, since it uses less digits than its factorization.

105382044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099 (or 1094 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 105382044 is about 10265.5756779637. The cubic root of 105382044 is about 472.3408853676.

The spelling of 105382044 in words is "one hundred five million, three hundred eighty-two thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 137 138 207 274 276 411 414 548 822 828 929 1233 1644 1858 2466 2787 3151 3716 4932 5574 6302 8361 9453 11148 12604 16722 18906 21367 28359 33444 37812 42734 56718 64101 85468 113436 127273 128202 192303 254546 256404 381819 384606 509092 763638 769212 1145457 1527276 2290914 2927279 4581828 5854558 8781837 11709116 17563674 26345511 35127348 52691022 105382044