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199374049 = 7191499053
BaseRepresentation
bin10111110001000…
…11010011100001
3111220011020210001
423320203103201
5402014432144
631441140001
74640436310
oct1370432341
9456136701
10199374049
11a25a5746
125692a601
13323c8414
141c69c277
1512783bd4
hexbe234e1

199374049 has 8 divisors (see below), whose sum is σ = 239848640. Its totient is φ = 161897616.

The previous prime is 199374037. The next prime is 199374053. The reversal of 199374049 is 940473991.

199374049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 199374049 - 25 = 199374017 is a prime.

It is a super-2 number, since 2×1993740492 = 79500022829308802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199374029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749394 + ... + 749659.

It is an arithmetic number, because the mean of its divisors is an integer number (29981080).

Almost surely, 2199374049 is an apocalyptic number.

199374049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

199374049 is a deficient number, since it is larger than the sum of its proper divisors (40474591).

199374049 is a wasteful number, since it uses less digits than its factorization.

199374049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499079.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 199374049 is about 14119.9875708161. The cubic root of 199374049 is about 584.1928127728.

The spelling of 199374049 in words is "one hundred ninety-nine million, three hundred seventy-four thousand, forty-nine".

Divisors: 1 7 19 133 1499053 10493371 28482007 199374049