Search a number
-
+
345039055 = 5177157173
BaseRepresentation
bin10100100100001…
…110000011001111
3220001020210121021
4110210032003033
51201312222210
654123215011
711356532524
oct2444160317
9801223537
10345039055
11167846a49
1297677467
135663a12a
1433b7914b
1520458bda
hex1490e0cf

345039055 has 16 divisors (see below), whose sum is σ = 444585024. Its totient is φ = 256130560.

The previous prime is 345039053. The next prime is 345039137. The reversal of 345039055 is 550930543.

It is a happy number.

It is not a de Polignac number, because 345039055 - 21 = 345039053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345039055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345039053) 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 15 ways as a sum of consecutive naturals, for example, 22552 + ... + 34621.

It is an arithmetic number, because the mean of its divisors is an integer number (27786564).

Almost surely, 2345039055 is an apocalyptic number.

345039055 is a deficient number, since it is larger than the sum of its proper divisors (99545969).

345039055 is a wasteful number, since it uses less digits than its factorization.

345039055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57266.

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 345039055 is about 18575.2269165144. The cubic root of 345039055 is about 701.3843726008.

Adding to 345039055 its reverse (550930543), we get a palindrome (895969598).

The spelling of 345039055 in words is "three hundred forty-five million, thirty-nine thousand, fifty-five".

Divisors: 1 5 17 71 85 355 1207 6035 57173 285865 971941 4059283 4859705 20296415 69007811 345039055