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105272194 = 21719915559
BaseRepresentation
bin1100100011001…
…01001110000010
321100002101022011
412101211032002
5203422202234
614240203134
72415541006
oct621451602
9240071264
10105272194
1154472615
122b3094aa
1318a6b451
14dda4706
159396b64
hex6465382

105272194 has 16 divisors (see below), whose sum is σ = 168048000. Its totient is φ = 49287744.

The previous prime is 105272183. The next prime is 105272207. The reversal of 105272194 is 491272501.

It is a super-2 number, since 2×1052721942 = 22164469659147272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014 + ... + 14545.

It is an arithmetic number, because the mean of its divisors is an integer number (10503000).

Almost surely, 2105272194 is an apocalyptic number.

105272194 is a deficient number, since it is larger than the sum of its proper divisors (62775806).

105272194 is a wasteful number, since it uses less digits than its factorization.

105272194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15777.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 105272194 is about 10260.2238766998. The cubic root of 105272194 is about 472.1767059572.

It can be divided in two parts, 10527 and 2194, that added together give a palindrome (12721).

The spelling of 105272194 in words is "one hundred five million, two hundred seventy-two thousand, one hundred ninety-four".

Divisors: 1 2 17 34 199 398 3383 6766 15559 31118 264503 529006 3096241 6192482 52636097 105272194