Search a number
-
+
198692046 = 23271576921
BaseRepresentation
bin10111101011111…
…00110011001110
3111211212121020200
423311330303032
5401331121141
631414354330
74631566050
oct1365746316
9454777220
10198692046
11a217a303
125665b9a6
1332219b77
141c5618d0
151269bab6
hexbd7ccce

198692046 has 24 divisors (see below), whose sum is σ = 491999664. Its totient is φ = 56769120.

The previous prime is 198692041. The next prime is 198692089. The reversal of 198692046 is 640296891.

It is a happy number.

It is a super-2 number, since 2×1986920462 = 78957058287332232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 198691992 and 198692010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198692041) 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, 788335 + ... + 788586.

It is an arithmetic number, because the mean of its divisors is an integer number (20499986).

Almost surely, 2198692046 is an apocalyptic number.

198692046 is an abundant number, since it is smaller than the sum of its proper divisors (293307618).

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

198692046 is a wasteful number, since it uses less digits than its factorization.

198692046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576936 (or 1576933 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 198692046 is about 14095.8166134495. The cubic root of 198692046 is about 583.5259315777.

The spelling of 198692046 in words is "one hundred ninety-eight million, six hundred ninety-two thousand, forty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 1576921 3153842 4730763 9461526 11038447 14192289 22076894 28384578 33115341 66230682 99346023 198692046