Search a number
-
+
1155055495 = 51183925031
BaseRepresentation
bin100010011011000…
…1011111110000111
32222111102220021011
41010312023332013
54331143233440
6310340503051
740423544506
oct10466137607
92874386234
101155055495
11542aa9320
122829aaa87
131553b91b9
14ad59083d
156b60d9ea
hex44d8bf87

1155055495 has 16 divisors (see below), whose sum is σ = 1513935360. Its totient is φ = 839005600.

The previous prime is 1155055459. The next prime is 1155055511. The reversal of 1155055495 is 5945505511.

It is not a de Polignac number, because 1155055495 - 27 = 1155055367 is a prime.

It is a congruent number.

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, 33630 + ... + 58660.

It is an arithmetic number, because the mean of its divisors is an integer number (94620960).

Almost surely, 21155055495 is an apocalyptic number.

1155055495 is a deficient number, since it is larger than the sum of its proper divisors (358879865).

1155055495 is a wasteful number, since it uses less digits than its factorization.

1155055495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25886.

The product of its (nonzero) digits is 112500, while the sum is 40.

The square root of 1155055495 is about 33986.1073822820. The cubic root of 1155055495 is about 1049.2225522392. Note that the first 3 decimals are identical.

The spelling of 1155055495 in words is "one billion, one hundred fifty-five million, fifty-five thousand, four hundred ninety-five".

Divisors: 1 5 11 55 839 4195 9229 25031 46145 125155 275341 1376705 21001009 105005045 231011099 1155055495