Search a number
-
+
105402833 = 333131643
BaseRepresentation
bin1100100100001…
…01000111010001
321100100000111122
412102011013101
5203440342313
614243052025
72416623614
oct622050721
9240300448
10105402833
1154551788
122b371015
1318ab5a53
14ddda17b
1593c0708
hex64851d1

105402833 has 4 divisors (see below), whose sum is σ = 105437808. Its totient is φ = 105367860.

The previous prime is 105402797. The next prime is 105402853. The reversal of 105402833 is 338204501.

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: 338204501 = 536381217.

It is a cyclic number.

It is not a de Polignac number, because 105402833 - 26 = 105402769 is a prime.

It is a super-2 number, since 2×1054028332 = 22219514408851778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105402853) 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, 12491 + ... + 19152.

It is an arithmetic number, because the mean of its divisors is an integer number (26359452).

Almost surely, 2105402833 is an apocalyptic number.

It is an amenable number.

105402833 is a deficient number, since it is larger than the sum of its proper divisors (34975).

105402833 is an equidigital number, since it uses as much as digits as its factorization.

105402833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34974.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 105402833 is about 10266.5881869295. The cubic root of 105402833 is about 472.3719433121.

The spelling of 105402833 in words is "one hundred five million, four hundred two thousand, eight hundred thirty-three".

Divisors: 1 3331 31643 105402833