Search a number
-
+
331928190 = 232511335281
BaseRepresentation
bin10011110010001…
…101001001111110
3212010120200212200
4103302031021332
51134433200230
652534212330
711140225446
oct2362151176
9763520780
10331928190
11160401620
12931b40a6
13539c9619
1432125126
151e219160
hex13c8d27e

331928190 has 48 divisors (see below), whose sum is σ = 941471856. Its totient is φ = 80467200.

The previous prime is 331928183. The next prime is 331928243. The reversal of 331928190 is 91829133.

It is a super-2 number, since 2×3319281902 = 220352646633352200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166651 + ... + 168630.

It is an arithmetic number, because the mean of its divisors is an integer number (19613997).

Almost surely, 2331928190 is an apocalyptic number.

331928190 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

331928190 is an abundant number, since it is smaller than the sum of its proper divisors (609543666).

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

331928190 is a wasteful number, since it uses less digits than its factorization.

331928190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335305 (or 335302 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 331928190 is about 18218.8965088449. The cubic root of 331928190 is about 692.3856301715.

The spelling of 331928190 in words is "three hundred thirty-one million, nine hundred twenty-eight thousand, one hundred ninety".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 335281 670562 1005843 1676405 2011686 3017529 3352810 3688091 5029215 6035058 7376182 10058430 11064273 15087645 18440455 22128546 30175290 33192819 36880910 55321365 66385638 110642730 165964095 331928190