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105717982 = 2238872591
BaseRepresentation
bin1100100110100…
…10000011011110
321100221000210211
412103102003132
5204030433412
614253523034
72422405456
oct623220336
9240830724
10105717982
1154747537
122b4a347a
1318b96326
141007cd66
159433ca7
hex64d20de

105717982 has 16 divisors (see below), whose sum is σ = 165722112. Its totient is φ = 50484280.

The previous prime is 105717971. The next prime is 105718001. The reversal of 105717982 is 289717501.

It is a super-2 number, since 2×1057179822 = 22352583436304648, 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 7 ways as a sum of consecutive naturals, for example, 39507 + ... + 42097.

It is an arithmetic number, because the mean of its divisors is an integer number (10357632).

Almost surely, 2105717982 is an apocalyptic number.

105717982 is a deficient number, since it is larger than the sum of its proper divisors (60004130).

105717982 is a wasteful number, since it uses less digits than its factorization.

105717982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503.

The product of its (nonzero) digits is 35280, while the sum is 40.

The square root of 105717982 is about 10281.9250143152. The cubic root of 105717982 is about 472.8422640759.

The spelling of 105717982 in words is "one hundred five million, seven hundred seventeen thousand, nine hundred eighty-two".

Divisors: 1 2 23 46 887 1774 2591 5182 20401 40802 59593 119186 2298217 4596434 52858991 105717982