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105842897 = 313414287
BaseRepresentation
bin1100100111100…
…00100011010001
321101011101011022
412103300203101
5204043433042
614300325225
72423435606
oct623604321
9241141138
10105842897
1154822376
122b543815
1318c0b144
14100b26ad
15945acd2
hex64f08d1

105842897 has 4 divisors (see below), whose sum is σ = 109257216. Its totient is φ = 102428580.

The previous prime is 105842887. The next prime is 105842899. The reversal of 105842897 is 798248501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105842897 - 24 = 105842881 is a prime.

It is a super-2 number, since 2×1058428972 = 22405437690705218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105842899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1707113 + ... + 1707174.

It is an arithmetic number, because the mean of its divisors is an integer number (27314304).

Almost surely, 2105842897 is an apocalyptic number.

It is an amenable number.

105842897 is a deficient number, since it is larger than the sum of its proper divisors (3414319).

105842897 is an equidigital number, since it uses as much as digits as its factorization.

105842897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3414318.

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 105842897 is about 10287.9977157851. The cubic root of 105842897 is about 473.0284255407.

The spelling of 105842897 in words is "one hundred five million, eight hundred forty-two thousand, eight hundred ninety-seven".

Divisors: 1 31 3414287 105842897