[go: up one dir, main page]

Search a number
-
+
231343353 = 32294718859
BaseRepresentation
bin11011100101000…
…00010011111001
3121010022110102100
431302200103321
5433210441403
634542254013
75506246263
oct1562402371
9533273370
10231343353
1110965075a
1265587309
1338c0c877
1422a20b33
151549b2a3
hexdca04f9

231343353 has 24 divisors (see below), whose sum is σ = 353059200. Its totient is φ = 145734624.

The previous prime is 231343339. The next prime is 231343381. The reversal of 231343353 is 353343132.

It is a happy number.

231343353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231343353 - 24 = 231343337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231343153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2838 + ... + 21696.

It is an arithmetic number, because the mean of its divisors is an integer number (14710800).

Almost surely, 2231343353 is an apocalyptic number.

It is an amenable number.

231343353 is a deficient number, since it is larger than the sum of its proper divisors (121715847).

231343353 is a wasteful number, since it uses less digits than its factorization.

231343353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18941 (or 18938 counting only the distinct ones).

The product of its digits is 9720, while the sum is 27.

The square root of 231343353 is about 15209.9754437672. The cubic root of 231343353 is about 613.8830967509.

Adding to 231343353 its reverse (353343132), we get a palindrome (584686485).

The spelling of 231343353 in words is "two hundred thirty-one million, three hundred forty-three thousand, three hundred fifty-three".

Divisors: 1 3 9 29 47 87 141 261 423 1363 4089 12267 18859 56577 169731 546911 886373 1640733 2659119 4922199 7977357 25704817 77114451 231343353