Search a number
-
+
245198863 = 7132694493
BaseRepresentation
bin11101001110101…
…11000000001111
3122002101101121101
432213113000033
51000232330423
640155243531
76035104330
oct1647270017
9562341541
10245198863
11116454598
126a1495a7
133ba512b0
14247ca287
15167d67ad
hexe9d700f

245198863 has 8 divisors (see below), whose sum is σ = 301783328. Its totient is φ = 194003424.

The previous prime is 245198851. The next prime is 245198887. The reversal of 245198863 is 368891542.

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 245198863 - 217 = 245067791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245198843) 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, 1347156 + ... + 1347337.

It is an arithmetic number, because the mean of its divisors is an integer number (37722916).

Almost surely, 2245198863 is an apocalyptic number.

245198863 is a deficient number, since it is larger than the sum of its proper divisors (56584465).

245198863 is a wasteful number, since it uses less digits than its factorization.

245198863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694513.

The product of its digits is 414720, while the sum is 46.

The square root of 245198863 is about 15658.8269994914. The cubic root of 245198863 is about 625.9017281525.

The spelling of 245198863 in words is "two hundred forty-five million, one hundred ninety-eight thousand, eight hundred sixty-three".

Divisors: 1 7 13 91 2694493 18861451 35028409 245198863