Search a number
-
+
245462993 is a prime number
BaseRepresentation
bin11101010000101…
…11011111010001
3122002212210220222
432220113133101
51000314303433
640205042425
76040254356
oct1650273721
9562783828
10245462993
11116614a86
126a256415
133bb14599
142485862d
1516839b98
hexea177d1

245462993 has 2 divisors, whose sum is σ = 245462994. Its totient is φ = 245462992.

The previous prime is 245462947. The next prime is 245463073. The reversal of 245462993 is 399264542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233233984 + 12229009 = 15272^2 + 3497^2 .

It is a cyclic number.

It is not a de Polignac number, because 245462993 - 214 = 245446609 is a prime.

It is not a weakly prime, because it can be changed into another prime (245462093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122731496 + 122731497.

It is an arithmetic number, because the mean of its divisors is an integer number (122731497).

Almost surely, 2245462993 is an apocalyptic number.

It is an amenable number.

245462993 is a deficient number, since it is larger than the sum of its proper divisors (1).

245462993 is an equidigital number, since it uses as much as digits as its factorization.

245462993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 44.

The square root of 245462993 is about 15667.2586306603. The cubic root of 245462993 is about 626.1263894686.

The spelling of 245462993 in words is "two hundred forty-five million, four hundred sixty-two thousand, nine hundred ninety-three".