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105154133 = 715022019
BaseRepresentation
bin1100100010010…
…00011001010101
321022212101100112
412101020121111
5203404413013
614233452405
72414536550
oct621103125
9238771315
10105154133
11543a1947
122b271105
1318a297a6
14dd73697
159371ba8
hex6448655

105154133 has 4 divisors (see below), whose sum is σ = 120176160. Its totient is φ = 90132108.

The previous prime is 105154103. The next prime is 105154157. The reversal of 105154133 is 331451501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 331451501 = 714668331.

It is a cyclic number.

It is not a de Polignac number, because 105154133 - 220 = 104105557 is a prime.

It is a super-2 number, since 2×1051541332 = 22114783373963378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105154099 and 105154108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105154103) 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, 7511003 + ... + 7511016.

It is an arithmetic number, because the mean of its divisors is an integer number (30044040).

Almost surely, 2105154133 is an apocalyptic number.

It is an amenable number.

105154133 is a deficient number, since it is larger than the sum of its proper divisors (15022027).

105154133 is an equidigital number, since it uses as much as digits as its factorization.

105154133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15022026.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 105154133 is about 10254.4689282283. The cubic root of 105154133 is about 472.0001271785. Note that the first 3 decimals are identical.

The spelling of 105154133 in words is "one hundred five million, one hundred fifty-four thousand, one hundred thirty-three".

Divisors: 1 7 15022019 105154133