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105089745 = 357005983
BaseRepresentation
bin1100100001110…
…00101011010001
321022202010000210
412100320223101
5203400332440
614232234333
72414151045
oct620705321
9238663023
10105089745
1154358532
122b23b9a9
1318a063a7
14dd58025
15935ca80
hex6438ad1

105089745 has 8 divisors (see below), whose sum is σ = 168143616. Its totient is φ = 56047856.

The previous prime is 105089713. The next prime is 105089749. The reversal of 105089745 is 547980501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105089745 - 25 = 105089713 is a prime.

It is a super-2 number, since 2×1050897452 = 22087709008330050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105089749) 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, 3502977 + ... + 3503006.

It is an arithmetic number, because the mean of its divisors is an integer number (21017952).

Almost surely, 2105089745 is an apocalyptic number.

105089745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105089745 is a deficient number, since it is larger than the sum of its proper divisors (63053871).

105089745 is an equidigital number, since it uses as much as digits as its factorization.

105089745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7005991.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 105089745 is about 10251.3289382402. The cubic root of 105089745 is about 471.9037691040.

The spelling of 105089745 in words is "one hundred five million, eighty-nine thousand, seven hundred forty-five".

Divisors: 1 3 5 15 7005983 21017949 35029915 105089745