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103856057 = 971070681
BaseRepresentation
bin1100011000010…
…11011110111001
321020102102201122
412030023132321
5203041343212
614145555025
72400522224
oct614133671
9236372648
10103856057
1153695658
122a945a75
13186939b6
14db165bb
1591b7272
hex630b7b9

103856057 has 4 divisors (see below), whose sum is σ = 104926836. Its totient is φ = 102785280.

The previous prime is 103856023. The next prime is 103856083. The reversal of 103856057 is 750658301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61136761 + 42719296 = 7819^2 + 6536^2 .

It is a cyclic number.

It is not a de Polignac number, because 103856057 - 210 = 103855033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103856087) 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, 535244 + ... + 535437.

It is an arithmetic number, because the mean of its divisors is an integer number (26231709).

Almost surely, 2103856057 is an apocalyptic number.

It is an amenable number.

103856057 is a deficient number, since it is larger than the sum of its proper divisors (1070779).

103856057 is an equidigital number, since it uses as much as digits as its factorization.

103856057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070778.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 103856057 is about 10190.9791973097. The cubic root of 103856057 is about 470.0498770065.

The spelling of 103856057 in words is "one hundred three million, eight hundred fifty-six thousand, fifty-seven".

Divisors: 1 97 1070681 103856057