[go: up one dir, main page]

Search a number
-
+
239930089 = 7233740277
BaseRepresentation
bin11100100110100…
…00101011101001
3121201110201012121
432103100223221
5442410230324
635450311241
75642241430
oct1623205351
9551421177
10239930089
11113486033
1268428521
133a928089
1423c18117
15160e55e4
hexe4d0ae9

239930089 has 16 divisors (see below), whose sum is σ = 293868288. Its totient is φ = 191391552.

The previous prime is 239930083. The next prime is 239930101. The reversal of 239930089 is 980039932.

It is a happy number.

239930089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 239930089 - 217 = 239799017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (239930083) 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, 14182 + ... + 26095.

It is an arithmetic number, because the mean of its divisors is an integer number (18366768).

Almost surely, 2239930089 is an apocalyptic number.

It is an amenable number.

239930089 is a deficient number, since it is larger than the sum of its proper divisors (53938199).

239930089 is a wasteful number, since it uses less digits than its factorization.

239930089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40344.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 239930089 is about 15489.6768526655. The cubic root of 239930089 is about 621.3861537386.

The spelling of 239930089 in words is "two hundred thirty-nine million, nine hundred thirty thousand, eighty-nine".

Divisors: 1 7 23 37 161 259 851 5957 40277 281939 926371 1490249 6484597 10431743 34275727 239930089