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199317290 = 25293122171
BaseRepresentation
bin10111110000101…
…01011100101010
3111220001100220212
423320111130222
5402011123130
631440021122
74640111654
oct1370253452
9456040825
10199317290
11a2567037
12569017a2
13323a8633
141c6856d4
1512771e95
hexbe1572a

199317290 has 32 divisors (see below), whose sum is σ = 383132160. Its totient is φ = 74491200.

The previous prime is 199317269. The next prime is 199317301. The reversal of 199317290 is 92713991.

199317290 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2096 + ... + 20075.

It is an arithmetic number, because the mean of its divisors is an integer number (11972880).

Almost surely, 2199317290 is an apocalyptic number.

199317290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199317290 is a deficient number, since it is larger than the sum of its proper divisors (183814870).

199317290 is a wasteful number, since it uses less digits than its factorization.

199317290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22238.

The product of its (nonzero) digits is 30618, while the sum is 41.

The square root of 199317290 is about 14117.9775463768. The cubic root of 199317290 is about 584.1373703401.

The spelling of 199317290 in words is "one hundred ninety-nine million, three hundred seventeen thousand, two hundred ninety".

Divisors: 1 2 5 10 29 31 58 62 145 155 290 310 899 1798 4495 8990 22171 44342 110855 221710 642959 687301 1285918 1374602 3214795 3436505 6429590 6873010 19931729 39863458 99658645 199317290