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105232690 = 2543923971
BaseRepresentation
bin1100100010110…
…11100100110010
321100000101010001
412101123210302
5203414421230
614235300214
72415314563
oct621334462
9240011101
10105232690
1154445972
122b2aa66a
1318a56484
14dd9416a
15938a0ca
hex645b932

105232690 has 16 divisors (see below), whose sum is σ = 189858240. Its totient is φ = 41995440.

The previous prime is 105232657. The next prime is 105232711. The reversal of 105232690 is 96232501.

It is a super-2 number, since 2×1052326902 = 22147838089272200, which contains 22 as substring.

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, 7596 + ... + 16375.

It is an arithmetic number, because the mean of its divisors is an integer number (11866140).

Almost surely, 2105232690 is an apocalyptic number.

105232690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105232690 is a deficient number, since it is larger than the sum of its proper divisors (84625550).

105232690 is a wasteful number, since it uses less digits than its factorization.

105232690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24417.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 105232690 is about 10258.2985918719. The cubic root of 105232690 is about 472.1176362207.

The spelling of 105232690 in words is "one hundred five million, two hundred thirty-two thousand, six hundred ninety".

Divisors: 1 2 5 10 439 878 2195 4390 23971 47942 119855 239710 10523269 21046538 52616345 105232690