Search a number
-
+
105246541 = 176190973
BaseRepresentation
bin1100100010111…
…10111101001101
321100001002010001
412101132331031
5203420342131
614235444301
72415403141
oct621367515
9240032101
10105246541
1154455314
122b2b6691
1318a5c87a
14dd99221
15938e261
hex645ef4d

105246541 has 4 divisors (see below), whose sum is σ = 111437532. Its totient is φ = 99055552.

The previous prime is 105246517. The next prime is 105246553. The reversal of 105246541 is 145642501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 145642501 = 383337997.

It can be written as a sum of positive squares in 2 ways, for example, as 85488516 + 19758025 = 9246^2 + 4445^2 .

It is a cyclic number.

It is not a de Polignac number, because 105246541 - 211 = 105244493 is a prime.

It is a super-2 number, since 2×1052465412 = 22153668784929362, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105246511) 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, 3095470 + ... + 3095503.

It is an arithmetic number, because the mean of its divisors is an integer number (27859383).

Almost surely, 2105246541 is an apocalyptic number.

It is an amenable number.

105246541 is a deficient number, since it is larger than the sum of its proper divisors (6190991).

105246541 is an equidigital number, since it uses as much as digits as its factorization.

105246541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6190990.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 105246541 is about 10258.9736816116. The cubic root of 105246541 is about 472.1383490952.

The spelling of 105246541 in words is "one hundred five million, two hundred forty-six thousand, five hundred forty-one".

Divisors: 1 17 6190973 105246541