Search a number
-
+
198088120 = 2354952203
BaseRepresentation
bin10111100111010…
…01010110111000
3111210201220211001
423303221112320
5401202304440
631353414344
74623502246
oct1363512670
9453656731
10198088120
11a18a759a
125640a3b4
1332068009
141c445796
15125ccb9a
hexbce95b8

198088120 has 16 divisors (see below), whose sum is σ = 445698360. Its totient is φ = 79235232.

The previous prime is 198088117. The next prime is 198088133. The reversal of 198088120 is 21880891.

It is a self number, because there is not a number n which added to its sum of digits gives 198088120.

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, 2476062 + ... + 2476141.

Almost surely, 2198088120 is an apocalyptic number.

198088120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198088120 is an abundant number, since it is smaller than the sum of its proper divisors (247610240).

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

198088120 is a wasteful number, since it uses less digits than its factorization.

198088120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4952214 (or 4952210 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 37.

The square root of 198088120 is about 14074.3781390156. The cubic root of 198088120 is about 582.9341210509.

It can be divided in two parts, 1980 and 88120, that added together give a triangular number (90100 = T424).

The spelling of 198088120 in words is "one hundred ninety-eight million, eighty-eight thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 4952203 9904406 19808812 24761015 39617624 49522030 99044060 198088120