Search a number
-
+
105223826 = 252611913
BaseRepresentation
bin1100100010110…
…01011010010010
321022222220221202
412101121122102
5203414130301
614235151202
72415250001
oct621313222
9238886852
10105223826
115443a244
122b2a5502
1318a52426
14dd90c38
15938766b
hex6459692

105223826 has 4 divisors (see below), whose sum is σ = 157835742. Its totient is φ = 52611912.

The previous prime is 105223823. The next prime is 105223871. The reversal of 105223826 is 628322501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 628322501 = 1933255557.

It can be written as a sum of positive squares in only one way, i.e., 82174225 + 23049601 = 9065^2 + 4801^2 .

It is a super-2 number, since 2×1052238262 = 22144107116156552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105223823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26305955 + ... + 26305958.

Almost surely, 2105223826 is an apocalyptic number.

105223826 is a deficient number, since it is larger than the sum of its proper divisors (52611916).

105223826 is an equidigital number, since it uses as much as digits as its factorization.

105223826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52611915.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 105223826 is about 10257.8665423177. The cubic root of 105223826 is about 472.1043799843.

The spelling of 105223826 in words is "one hundred five million, two hundred twenty-three thousand, eight hundred twenty-six".

Divisors: 1 2 52611913 105223826