Search a number
-
+
198050797 = 7225116103
BaseRepresentation
bin10111100111000…
…00001111101101
3111210200000121201
423303200033231
5401200111142
631352525501
74623255400
oct1363401755
9453600551
10198050797
11a188154a
12563b0891
1332054029
141c435d37
15125c1ab7
hexbce03ed

198050797 has 12 divisors (see below), whose sum is σ = 231317856. Its totient is φ = 169071000.

The previous prime is 198050789. The next prime is 198050807. The reversal of 198050797 is 797050891.

It is not a de Polignac number, because 198050797 - 23 = 198050789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198050777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4248 + ... + 20350.

It is an arithmetic number, because the mean of its divisors is an integer number (19276488).

Almost surely, 2198050797 is an apocalyptic number.

It is an amenable number.

198050797 is a deficient number, since it is larger than the sum of its proper divisors (33267059).

198050797 is a wasteful number, since it uses less digits than its factorization.

198050797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16368 (or 16361 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 46.

The square root of 198050797 is about 14073.0521565153. The cubic root of 198050797 is about 582.8975073512.

The spelling of 198050797 in words is "one hundred ninety-eight million, fifty thousand, seven hundred ninety-seven".

Divisors: 1 7 49 251 1757 12299 16103 112721 789047 4041853 28292971 198050797