Search a number
-
+
245445134 = 21117364489
BaseRepresentation
bin11101010000100…
…11001000001110
3122002211220102112
432220103020032
51000313221014
640204424022
76040151324
oct1650231016
9562756375
10245445134
11116602620
126a248012
133bb0940c
1424851d14
151683473e
hexea1320e

245445134 has 16 divisors (see below), whose sum is σ = 403965360. Its totient is φ = 110919360.

The previous prime is 245445127. The next prime is 245445143. The reversal of 245445134 is 431544542.

It is a self number, because there is not a number n which added to its sum of digits gives 245445134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28439 + ... + 36050.

It is an arithmetic number, because the mean of its divisors is an integer number (25247835).

Almost surely, 2245445134 is an apocalyptic number.

245445134 is a deficient number, since it is larger than the sum of its proper divisors (158520226).

245445134 is a wasteful number, since it uses less digits than its factorization.

245445134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64675.

The product of its digits is 38400, while the sum is 32.

The square root of 245445134 is about 15666.6886737434. The cubic root of 245445134 is about 626.1112042028. Note that the first 3 decimals are identical.

Adding to 245445134 its reverse (431544542), we get a palindrome (676989676).

The spelling of 245445134 in words is "two hundred forty-five million, four hundred forty-five thousand, one hundred thirty-four".

Divisors: 1 2 11 22 173 346 1903 3806 64489 128978 709379 1418758 11156597 22313194 122722567 245445134