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105305174 = 21317238247
BaseRepresentation
bin1100100011011…
…01010001010110
321100011001112122
412101231101112
5203424231144
614241015542
72416036112
oct621552126
9240131478
10105305174
1154495377
122b3245b2
1318a80470
14ddb2742
1593a17ee
hex646d456

105305174 has 16 divisors (see below), whose sum is σ = 180115488. Its totient is φ = 45743232.

The previous prime is 105305159. The next prime is 105305197. The reversal of 105305174 is 471503501.

It is a super-2 number, since 2×1053051742 = 22178359342340552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 118682 + ... + 119565.

It is an arithmetic number, because the mean of its divisors is an integer number (11257218).

Almost surely, 2105305174 is an apocalyptic number.

105305174 is a deficient number, since it is larger than the sum of its proper divisors (74810314).

105305174 is a wasteful number, since it uses less digits than its factorization.

105305174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238279.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 105305174 is about 10261.8309282506. The cubic root of 105305174 is about 472.2260091374.

Adding to 105305174 its reverse (471503501), we get a palindrome (576808675).

The spelling of 105305174 in words is "one hundred five million, three hundred five thousand, one hundred seventy-four".

Divisors: 1 2 13 17 26 34 221 442 238247 476494 3097211 4050199 6194422 8100398 52652587 105305174