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105694992 = 243213131431
BaseRepresentation
bin1100100110011…
…00011100010000
321100212212021100
412103030130100
5204024214432
614253224400
72422251444
oct623143420
9240785240
10105694992
1154731237
122b492100
1318b88a20
1410074824
15942c07c
hex64cc710

105694992 has 120 divisors (see below), whose sum is σ = 321729408. Its totient is φ = 32198400.

The previous prime is 105694991. The next prime is 105694993. The reversal of 105694992 is 299496501.

It is an interprime number because it is at equal distance from previous prime (105694991) and next prime (105694993).

It is a super-2 number, since 2×1056949922 = 22342862667760128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105694991) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 245017 + ... + 245447.

Almost surely, 2105694992 is an apocalyptic number.

105694992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105694992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160864704).

105694992 is an abundant number, since it is smaller than the sum of its proper divisors (216034416).

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

105694992 is a wasteful number, since it uses less digits than its factorization.

105694992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 105694992 is about 10280.8069722177. The cubic root of 105694992 is about 472.8079859852.

The spelling of 105694992 in words is "one hundred five million, six hundred ninety-four thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 104 117 131 144 156 208 234 262 312 393 431 468 524 624 786 862 936 1048 1179 1293 1572 1703 1724 1872 2096 2358 2586 3144 3406 3448 3879 4716 5109 5172 5603 6288 6812 6896 7758 9432 10218 10344 11206 13624 15327 15516 16809 18864 20436 20688 22412 27248 30654 31032 33618 40872 44824 50427 56461 61308 62064 67236 81744 89648 100854 112922 122616 134472 169383 201708 225844 245232 268944 338766 403416 451688 508149 677532 733993 806832 903376 1016298 1355064 1467986 2032596 2201979 2710128 2935972 4065192 4403958 5871944 6605937 8130384 8807916 11743888 13211874 17615832 26423748 35231664 52847496 105694992