Search a number
-
+
100244665 = 5171962071
BaseRepresentation
bin1011111100110…
…01110010111001
320222121221211101
411332121302321
5201130312130
613540331401
72325031333
oct576316271
9228557741
10100244665
1151649334
12296a3b61
13179cac91
14d456453
158c021ca
hex5f99cb9

100244665 has 16 divisors (see below), whose sum is σ = 134075520. Its totient is φ = 71504640.

The previous prime is 100244659. The next prime is 100244693. The reversal of 100244665 is 566442001.

It is not a de Polignac number, because 100244665 - 25 = 100244633 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29421 + ... + 32650.

It is an arithmetic number, because the mean of its divisors is an integer number (8379720).

Almost surely, 2100244665 is an apocalyptic number.

It is an amenable number.

100244665 is a deficient number, since it is larger than the sum of its proper divisors (33830855).

100244665 is a wasteful number, since it uses less digits than its factorization.

100244665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62112.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 100244665 is about 10012.2257765194. The cubic root of 100244665 is about 464.5371198354.

Adding to 100244665 its reverse (566442001), we get a palindrome (666686666).

The spelling of 100244665 in words is "one hundred million, two hundred forty-four thousand, six hundred sixty-five".

Divisors: 1 5 17 19 85 95 323 1615 62071 310355 1055207 1179349 5276035 5896745 20048933 100244665