Search a number
-
+
105299538 = 2343340531
BaseRepresentation
bin1100100011010…
…11111001010010
321100010202210220
412101223321102
5203424041123
614240533510
72416013511
oct621537122
9240122726
10105299538
1154491113
122b321296
1318a7aa26
14ddb0678
15939ece3
hex646be52

105299538 has 16 divisors (see below), whose sum is σ = 211090656. Its totient is φ = 35017920.

The previous prime is 105299477. The next prime is 105299569. The reversal of 105299538 is 835992501.

It is a super-2 number, since 2×1052995382 = 22175985406026888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105299538.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17668 + ... + 22863.

It is an arithmetic number, because the mean of its divisors is an integer number (13193166).

Almost surely, 2105299538 is an apocalyptic number.

105299538 is an abundant number, since it is smaller than the sum of its proper divisors (105791118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105299538 is a wasteful number, since it uses less digits than its factorization.

105299538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40969.

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 105299538 is about 10261.5563147117. The cubic root of 105299538 is about 472.2175843748.

The spelling of 105299538 in words is "one hundred five million, two hundred ninety-nine thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 433 866 1299 2598 40531 81062 121593 243186 17549923 35099846 52649769 105299538