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106105001 = 401264601
BaseRepresentation
bin1100101001100…
…00100010101001
321101122200200212
412110300202221
5204130330001
614310110505
72425610012
oct624604251
9241580625
10106105001
1154991292
122b64b435
1318ca0532
1410140009
1594ad7bb
hex65308a9

106105001 has 4 divisors (see below), whose sum is σ = 106370004. Its totient is φ = 105840000.

The previous prime is 106104967. The next prime is 106105039. The reversal of 106105001 is 100501601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100501601 = 541718553.

It can be written as a sum of positive squares in 2 ways, for example, as 86955625 + 19149376 = 9325^2 + 4376^2 .

It is a cyclic number.

It is not a de Polignac number, because 106105001 - 226 = 38996137 is a prime.

It is a super-2 number, since 2×1061050012 = 22516542474420002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106105061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131900 + ... + 132701.

It is an arithmetic number, because the mean of its divisors is an integer number (26592501).

Almost surely, 2106105001 is an apocalyptic number.

It is an amenable number.

106105001 is a deficient number, since it is larger than the sum of its proper divisors (265003).

106105001 is an equidigital number, since it uses as much as digits as its factorization.

106105001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265002.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 106105001 is about 10300.7281781435. The cubic root of 106105001 is about 473.4185649047.

Adding to 106105001 its reverse (100501601), we get a palindrome (206606602).

The spelling of 106105001 in words is "one hundred six million, one hundred five thousand, one".

Divisors: 1 401 264601 106105001