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199461386 = 21311395477
BaseRepresentation
bin10111110001110…
…00101000001010
3111220022200120202
423320320220022
5402030231021
631443052202
74641252035
oct1370705012
9456280522
10199461386
11a2655323
1256971062
13324290b7
141c6c201c
151279ea0b
hexbe38a0a

199461386 has 16 divisors (see below), whose sum is σ = 303700320. Its totient is φ = 98239440.

The previous prime is 199461341. The next prime is 199461397. The reversal of 199461386 is 683164991.

It is a self number, because there is not a number n which added to its sum of digits gives 199461386.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33680 + ... + 39156.

It is an arithmetic number, because the mean of its divisors is an integer number (18981270).

Almost surely, 2199461386 is an apocalyptic number.

199461386 is a deficient number, since it is larger than the sum of its proper divisors (104238934).

199461386 is a wasteful number, since it uses less digits than its factorization.

199461386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5749.

The product of its digits is 279936, while the sum is 47.

The square root of 199461386 is about 14123.0799048933. The cubic root of 199461386 is about 584.2781033772.

The spelling of 199461386 in words is "one hundred ninety-nine million, four hundred sixty-one thousand, three hundred eighty-six".

Divisors: 1 2 131 139 262 278 5477 10954 18209 36418 717487 761303 1434974 1522606 99730693 199461386