Search a number
-
+
198102008 = 23131904827
BaseRepresentation
bin10111100111011…
…00101111111000
3111210202121212102
423303230233320
5401203231013
631354002532
74623560606
oct1363545770
9453677772
10198102008
11a1906a75
1256416448
1332071430
141c44a876
15125d1d58
hexbcecbf8

198102008 has 16 divisors (see below), whose sum is σ = 400013880. Its totient is φ = 91431648.

The previous prime is 198101977. The next prime is 198102011. The reversal of 198102008 is 800201891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 952310 + ... + 952517.

Almost surely, 2198102008 is an apocalyptic number.

It is an amenable number.

198102008 is an abundant number, since it is smaller than the sum of its proper divisors (201911872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198102008 is a wasteful number, since it uses less digits than its factorization.

198102008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904846 (or 1904842 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 198102008 is about 14074.8715091826. The cubic root of 198102008 is about 582.9477439440.

Adding to 198102008 its reverse (800201891), we get a palindrome (998303899).

The spelling of 198102008 in words is "one hundred ninety-eight million, one hundred two thousand, eight".

Divisors: 1 2 4 8 13 26 52 104 1904827 3809654 7619308 15238616 24762751 49525502 99051004 198102008