Search a number
-
+
105153211 = 176185483
BaseRepresentation
bin1100100010010…
…00001010111011
321022212100002101
412101020022323
5203404400321
614233444231
72414534062
oct621101273
9238770071
10105153211
11543a1189
122b270677
1318a29247
14dd731d9
159371791
hex64482bb

105153211 has 4 divisors (see below), whose sum is σ = 111338712. Its totient is φ = 98967712.

The previous prime is 105153193. The next prime is 105153227. The reversal of 105153211 is 112351501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112351501 = 425326417.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105153211 is a prime.

It is a super-2 number, since 2×1051532112 = 22114395567221042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105153311) 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, 3092725 + ... + 3092758.

It is an arithmetic number, because the mean of its divisors is an integer number (27834678).

Almost surely, 2105153211 is an apocalyptic number.

105153211 is a deficient number, since it is larger than the sum of its proper divisors (6185501).

105153211 is an equidigital number, since it uses as much as digits as its factorization.

105153211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6185500.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 105153211 is about 10254.4239721205. The cubic root of 105153211 is about 471.9987476626.

The spelling of 105153211 in words is "one hundred five million, one hundred fifty-three thousand, two hundred eleven".

Divisors: 1 17 6185483 105153211