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198231044 = 221117925169
BaseRepresentation
bin10111101000011…
…00010000000100
3111211000011212112
423310030100010
5401221343134
631400440152
74624636034
oct1364142004
9454004775
10198231044
11a1994a10
1256479058
13320b809b
141c4818c4
151260a1ce
hexbd0c404

198231044 has 24 divisors (see below), whose sum is σ = 380570400. Its totient is φ = 89598080.

The previous prime is 198231001. The next prime is 198231049. The reversal of 198231044 is 440132891.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 198231044.

It is not an unprimeable number, because it can be changed into a prime (198231049) 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, 4709 + ... + 20460.

It is an arithmetic number, because the mean of its divisors is an integer number (15857100).

Almost surely, 2198231044 is an apocalyptic number.

It is an amenable number.

198231044 is a deficient number, since it is larger than the sum of its proper divisors (182339356).

198231044 is a wasteful number, since it uses less digits than its factorization.

198231044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25363 (or 25361 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 198231044 is about 14079.4546769397. The cubic root of 198231044 is about 583.0742863580.

The spelling of 198231044 in words is "one hundred ninety-eight million, two hundred thirty-one thousand, forty-four".

Divisors: 1 2 4 11 22 44 179 358 716 1969 3938 7876 25169 50338 100676 276859 553718 1107436 4505251 9010502 18021004 49557761 99115522 198231044