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105305032 = 23729611063
BaseRepresentation
bin1100100011011…
…01001111001000
321100011001100101
412101231033020
5203424230112
614241015144
72416035520
oct621551710
9240131311
10105305032
1154495258
122b3244b4
1318a80391
14ddb2680
1593a1757
hex646d3c8

105305032 has 64 divisors (see below), whose sum is σ = 237484800. Its totient is φ = 42819840.

The previous prime is 105305027. The next prime is 105305033. The reversal of 105305032 is 230503501.

It is a super-2 number, since 2×1053050322 = 22178299529042048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105305033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98533 + ... + 99595.

It is an arithmetic number, because the mean of its divisors is an integer number (3710700).

Almost surely, 2105305032 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 105305032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118742400).

105305032 is an abundant number, since it is smaller than the sum of its proper divisors (132179768).

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

105305032 is a wasteful number, since it uses less digits than its factorization.

105305032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 105305032 is about 10261.8240094050. The cubic root of 105305032 is about 472.2257968777.

Adding to 105305032 its reverse (230503501), we get a palindrome (335808533).

The spelling of 105305032 in words is "one hundred five million, three hundred five thousand, thirty-two".

Divisors: 1 2 4 7 8 14 28 29 56 58 61 116 122 203 232 244 406 427 488 812 854 1063 1624 1708 1769 2126 3416 3538 4252 7076 7441 8504 12383 14152 14882 24766 29764 30827 49532 59528 61654 64843 99064 123308 129686 215789 246616 259372 431578 453901 518744 863156 907802 1726312 1815604 1880447 3631208 3760894 7521788 13163129 15043576 26326258 52652516 105305032