Search a number
-
+
198379552 = 257885623
BaseRepresentation
bin10111101001100…
…00100000100000
3111211021201120211
423310300200200
5401241121202
631403543504
74626125020
oct1364604040
9454251524
10198379552
11a1a86548
125652ab94
133213a867
141c4bda80
15126391d7
hexbd30820

198379552 has 24 divisors (see below), whose sum is σ = 446354496. Its totient is φ = 85019712.

The previous prime is 198379547. The next prime is 198379567. The reversal of 198379552 is 255973891.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 198379496 and 198379505.

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, 442588 + ... + 443035.

It is an arithmetic number, because the mean of its divisors is an integer number (18598104).

Almost surely, 2198379552 is an apocalyptic number.

It is an amenable number.

198379552 is an abundant number, since it is smaller than the sum of its proper divisors (247974944).

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

198379552 is an equidigital number, since it uses as much as digits as its factorization.

198379552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885640 (or 885632 counting only the distinct ones).

The product of its digits is 680400, while the sum is 49.

The square root of 198379552 is about 14084.7276153996. The cubic root of 198379552 is about 583.2198565298.

The spelling of 198379552 in words is "one hundred ninety-eight million, three hundred seventy-nine thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 885623 1771246 3542492 6199361 7084984 12398722 14169968 24797444 28339936 49594888 99189776 198379552