Search a number
-
+
105291814 = 253993319
BaseRepresentation
bin1100100011010…
…10000000100110
321100010101012211
412101222000212
5203423314224
614240434034
72415652135
oct621520046
9240111184
10105291814
1154486331
122b31891a
1318a77364
14ddab91c
15939c894
hex646a026

105291814 has 8 divisors (see below), whose sum is σ = 160917840. Its totient is φ = 51652536.

The previous prime is 105291803. The next prime is 105291817. The reversal of 105291814 is 418192501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1052918142 = 22172732190821192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105291817) 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, 496554 + ... + 496765.

It is an arithmetic number, because the mean of its divisors is an integer number (20114730).

Almost surely, 2105291814 is an apocalyptic number.

105291814 is a deficient number, since it is larger than the sum of its proper divisors (55626026).

105291814 is an equidigital number, since it uses as much as digits as its factorization.

105291814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993374.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 105291814 is about 10261.1799516430. The cubic root of 105291814 is about 472.2060379556.

The spelling of 105291814 in words is "one hundred five million, two hundred ninety-one thousand, eight hundred fourteen".

Divisors: 1 2 53 106 993319 1986638 52645907 105291814