Search a number
-
+
345233253 = 31071075493
BaseRepresentation
bin10100100100111…
…101011101100101
3220001121122222210
4110210331131211
51201334431003
654131314033
711361301641
oct2444753545
9801548883
10345233253
11167969942
129774b919
13566a7641
1433bc9c21
1520496503
hex1493d765

345233253 has 8 divisors (see below), whose sum is σ = 464613408. Its totient is φ = 228004304.

The previous prime is 345233209. The next prime is 345233257. The reversal of 345233253 is 352332543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345233253 - 216 = 345167717 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 345233253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345233257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537426 + ... + 538067.

It is an arithmetic number, because the mean of its divisors is an integer number (58076676).

Almost surely, 2345233253 is an apocalyptic number.

It is an amenable number.

345233253 is a deficient number, since it is larger than the sum of its proper divisors (119380155).

345233253 is a wasteful number, since it uses less digits than its factorization.

345233253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075603.

The product of its digits is 32400, while the sum is 30.

The square root of 345233253 is about 18580.4535197610. The cubic root of 345233253 is about 701.5159344192.

Adding to 345233253 its reverse (352332543), we get a palindrome (697565796).

The spelling of 345233253 in words is "three hundred forty-five million, two hundred thirty-three thousand, two hundred fifty-three".

Divisors: 1 3 107 321 1075493 3226479 115077751 345233253