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196311660 = 22353271861
BaseRepresentation
bin10111011001101…
…11101001101100
3111200101122222020
423230313221230
5400223433120
631251350140
74602423126
oct1354675154
9450348866
10196311660
11a08a3946
12558b2350
133189555c
141c102216
151237b640
hexbb37a6c

196311660 has 24 divisors (see below), whose sum is σ = 549672816. Its totient is φ = 52349760.

The previous prime is 196311617. The next prime is 196311671. The reversal of 196311660 is 66113691.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1635871 + ... + 1635990.

It is an arithmetic number, because the mean of its divisors is an integer number (22903034).

Almost surely, 2196311660 is an apocalyptic number.

196311660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196311660 is an abundant number, since it is smaller than the sum of its proper divisors (353361156).

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

196311660 is a wasteful number, since it uses less digits than its factorization.

196311660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3271873 (or 3271871 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 196311660 is about 14011.1262930572. The cubic root of 196311660 is about 581.1862957123.

The spelling of 196311660 in words is "one hundred ninety-six million, three hundred eleven thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3271861 6543722 9815583 13087444 16359305 19631166 32718610 39262332 49077915 65437220 98155830 196311660