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198290532 = 223111502201
BaseRepresentation
bin10111101000110…
…10110001100100
3111211010012110210
423310122301210
5401230244112
631402015420
74625304336
oct1364326144
9454105423
10198290532
11a1a25680
12564a7570
133210919b
141c499456
151261cb3c
hexbd1ac64

198290532 has 24 divisors (see below), whose sum is σ = 504739872. Its totient is φ = 60088000.

The previous prime is 198290531. The next prime is 198290537. The reversal of 198290532 is 235092891.

198290532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (198290531) 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, 750969 + ... + 751232.

It is an arithmetic number, because the mean of its divisors is an integer number (21030828).

Almost surely, 2198290532 is an apocalyptic number.

198290532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198290532 is an abundant number, since it is smaller than the sum of its proper divisors (306449340).

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

198290532 is a wasteful number, since it uses less digits than its factorization.

198290532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502219 (or 1502217 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 198290532 is about 14081.5671002911. The cubic root of 198290532 is about 583.1326062749.

The spelling of 198290532 in words is "one hundred ninety-eight million, two hundred ninety thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 1502201 3004402 4506603 6008804 9013206 16524211 18026412 33048422 49572633 66096844 99145266 198290532