[go: up one dir, main page]

Search a number
-
+
245225107 is a prime number
BaseRepresentation
bin11101001110111…
…01011010010011
3122002102201121101
432213131122103
51000234200412
640200005231
76035244001
oct1647353223
9562381541
10245225107
11116472286
126a160817
133ba6021a
14247d5a71
15167de457
hexe9dd693

245225107 has 2 divisors, whose sum is σ = 245225108. Its totient is φ = 245225106.

The previous prime is 245225089. The next prime is 245225147. The reversal of 245225107 is 701522542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245225107 - 211 = 245223059 is a prime.

It is a super-2 number, since 2×2452251072 = 120270706206322898, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (245225147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122612553 + 122612554.

It is an arithmetic number, because the mean of its divisors is an integer number (122612554).

Almost surely, 2245225107 is an apocalyptic number.

245225107 is a deficient number, since it is larger than the sum of its proper divisors (1).

245225107 is an equidigital number, since it uses as much as digits as its factorization.

245225107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 245225107 is about 15659.6649708734. The cubic root of 245225107 is about 625.9240577543.

Adding to 245225107 its reverse (701522542), we get a palindrome (946747649).

The spelling of 245225107 in words is "two hundred forty-five million, two hundred twenty-five thousand, one hundred seven".