Search a number
-
+
118969089 = 3194348539
BaseRepresentation
bin1110001011101…
…01001100000001
322021212020220120
413011311030001
5220424002324
615445530453
72643135441
oct705651401
9267766816
10118969089
1161178268
1233a13a29
131b855915
1411b2c121
15a6a0179
hex7175301

118969089 has 16 divisors (see below), whose sum is σ = 170860800. Its totient is φ = 73389456.

The previous prime is 118969069. The next prime is 118969099. The reversal of 118969089 is 980969811.

It is a happy number.

It is not a de Polignac number, because 118969089 - 28 = 118968833 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (118969069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21819 + ... + 26720.

It is an arithmetic number, because the mean of its divisors is an integer number (10678800).

Almost surely, 2118969089 is an apocalyptic number.

118969089 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

118969089 is a deficient number, since it is larger than the sum of its proper divisors (51891711).

118969089 is a wasteful number, since it uses less digits than its factorization.

118969089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48604.

The product of its (nonzero) digits is 279936, while the sum is 51.

The square root of 118969089 is about 10907.2952192558. The cubic root of 118969089 is about 491.8258811125.

The spelling of 118969089 in words is "one hundred eighteen million, nine hundred sixty-nine thousand, eighty-nine".

Divisors: 1 3 19 43 57 129 817 2451 48539 145617 922241 2087177 2766723 6261531 39656363 118969089