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106381873 = 138183221
BaseRepresentation
bin1100101011101…
…00001000110001
321102011202111101
412111310020301
5204213204443
614320044401
72431142143
oct625641061
9242152441
10106381873
1155060304
122b763701
1319069570
14101b2c93
15951584d
hex6574231

106381873 has 4 divisors (see below), whose sum is σ = 114565108. Its totient is φ = 98198640.

The previous prime is 106381867. The next prime is 106381879. The reversal of 106381873 is 378183601.

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

It is an interprime number because it is at equal distance from previous prime (106381867) and next prime (106381879).

It can be written as a sum of positive squares in 2 ways, for example, as 21594609 + 84787264 = 4647^2 + 9208^2 .

It is a cyclic number.

It is not a de Polignac number, because 106381873 - 25 = 106381841 is a prime.

It is a super-2 number, since 2×1063818732 = 22634205805976258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106381879) 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, 4091598 + ... + 4091623.

It is an arithmetic number, because the mean of its divisors is an integer number (28641277).

Almost surely, 2106381873 is an apocalyptic number.

106381873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

106381873 is a deficient number, since it is larger than the sum of its proper divisors (8183235).

106381873 is an equidigital number, since it uses as much as digits as its factorization.

106381873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8183234.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 106381873 is about 10314.1588605179. The cubic root of 106381873 is about 473.8299891160.

The spelling of 106381873 in words is "one hundred six million, three hundred eighty-one thousand, eight hundred seventy-three".

Divisors: 1 13 8183221 106381873