Search a number
-
+
105691222 = 27135310957
BaseRepresentation
bin1100100110010…
…11100001010110
321100212200002201
412103023201112
5204024104342
614253155114
72422234450
oct623134126
9240780081
10105691222
115472941a
122b48ba9a
1318b870b0
14100732d0
15942adb7
hex64cb856

105691222 has 32 divisors (see below), whose sum is σ = 198821952. Its totient is φ = 41019264.

The previous prime is 105691219. The next prime is 105691241. The reversal of 105691222 is 222196501.

It is a super-2 number, since 2×1056912222 = 22341268815706568, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 4168 + ... + 15124.

It is an arithmetic number, because the mean of its divisors is an integer number (6213186).

Almost surely, 2105691222 is an apocalyptic number.

105691222 is a deficient number, since it is larger than the sum of its proper divisors (93130730).

105691222 is a wasteful number, since it uses less digits than its factorization.

105691222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11032.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 105691222 is about 10280.6236192169. The cubic root of 105691222 is about 472.8023644407.

The spelling of 105691222 in words is "one hundred five million, six hundred ninety-one thousand, two hundred twenty-two".

Divisors: 1 2 7 13 14 26 53 91 106 182 371 689 742 1378 4823 9646 10957 21914 76699 142441 153398 284882 580721 997087 1161442 1994174 4065047 7549373 8130094 15098746 52845611 105691222