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197983130 = 2519798313
BaseRepresentation
bin10111100110011…
…11101110011010
3111210112120210112
423303033232122
5401140430010
631351244322
74622554202
oct1363175632
9453476715
10197983130
11a1835724
12563796a2
133202c2a7
141c419402
15125aba05
hexbccfb9a

197983130 has 8 divisors (see below), whose sum is σ = 356369652. Its totient is φ = 79193248.

The previous prime is 197983127. The next prime is 197983141. The reversal of 197983130 is 31389791.

It can be written as a sum of positive squares in 2 ways, for example, as 194407249 + 3575881 = 13943^2 + 1891^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 9899147 + ... + 9899166.

Almost surely, 2197983130 is an apocalyptic number.

197983130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197983130 is a deficient number, since it is larger than the sum of its proper divisors (158386522).

197983130 is a wasteful number, since it uses less digits than its factorization.

197983130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19798320.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 197983130 is about 14070.6478173537. The cubic root of 197983130 is about 582.8311145887.

The spelling of 197983130 in words is "one hundred ninety-seven million, nine hundred eighty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 19798313 39596626 98991565 197983130