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105689386 = 211339703
BaseRepresentation
bin1100100110010…
…11000100101010
321100212120120201
412103023010222
5204024030021
614253142414
72422226215
oct623130452
9240776521
10105689386
1154728000
122b48aa0a
1318b862ca
141007277c
15942a591
hex64cb12a

105689386 has 16 divisors (see below), whose sum is σ = 174379968. Its totient is φ = 48039420.

The previous prime is 105689383. The next prime is 105689387. The reversal of 105689386 is 683986501.

It is a super-3 number, since 3×1056893863 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (105689383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17190 + ... + 22513.

It is an arithmetic number, because the mean of its divisors is an integer number (10898748).

Almost surely, 2105689386 is an apocalyptic number.

105689386 is a deficient number, since it is larger than the sum of its proper divisors (68690582).

105689386 is an equidigital number, since it uses as much as digits as its factorization.

105689386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39738 (or 39716 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 105689386 is about 10280.5343246351. The cubic root of 105689386 is about 472.7996266852.

The spelling of 105689386 in words is "one hundred five million, six hundred eighty-nine thousand, three hundred eighty-six".

Divisors: 1 2 11 22 121 242 1331 2662 39703 79406 436733 873466 4804063 9608126 52844693 105689386