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105089613 = 3257136303
BaseRepresentation
bin1100100001110…
…00101001001101
321022202002211220
412100320221031
5203400331423
614232233553
72414150466
oct620705115
9238662756
10105089613
1154358422
122b23b8b9
1318a06305
14dd57d6d
15935c9e3
hex6438a4d

105089613 has 8 divisors (see below), whose sum is σ = 140665728. Its totient is φ = 69786624.

The previous prime is 105089609. The next prime is 105089617. The reversal of 105089613 is 316980501.

It is an interprime number because it is at equal distance from previous prime (105089609) and next prime (105089617).

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

It is not a de Polignac number, because 105089613 - 22 = 105089609 is a prime.

It is a super-2 number, since 2×1050896132 = 22087653520979538, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105089617) 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, 67381 + ... + 68922.

It is an arithmetic number, because the mean of its divisors is an integer number (17583216).

Almost surely, 2105089613 is an apocalyptic number.

It is an amenable number.

105089613 is a deficient number, since it is larger than the sum of its proper divisors (35576115).

105089613 is a wasteful number, since it uses less digits than its factorization.

105089613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136563.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 105089613 is about 10251.3225000485. The cubic root of 105089613 is about 471.9035715226.

The spelling of 105089613 in words is "one hundred five million, eighty-nine thousand, six hundred thirteen".

Divisors: 1 3 257 771 136303 408909 35029871 105089613