Search a number
-
+
113380819 = 1091040191
BaseRepresentation
bin1101100001000…
…00110111010011
321220100100020121
412300200313103
5213011141234
615130051111
72544502216
oct660406723
9256310217
10113380819
1159000762
1231b79a97
131a64a156
14110b577d
159e494b4
hex6c20dd3

113380819 has 4 divisors (see below), whose sum is σ = 114421120. Its totient is φ = 112340520.

The previous prime is 113380801. The next prime is 113380843. The reversal of 113380819 is 918083311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113380819 - 29 = 113380307 is a prime.

It is a super-2 number, since 2×1133808192 = 25710420234221522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113380859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519987 + ... + 520204.

It is an arithmetic number, because the mean of its divisors is an integer number (28605280).

Almost surely, 2113380819 is an apocalyptic number.

113380819 is a deficient number, since it is larger than the sum of its proper divisors (1040301).

113380819 is a wasteful number, since it uses less digits than its factorization.

113380819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040300.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 113380819 is about 10648.0429657285. The cubic root of 113380819 is about 484.0013019909.

The spelling of 113380819 in words is "one hundred thirteen million, three hundred eighty thousand, eight hundred nineteen".

Divisors: 1 109 1040191 113380819