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199850027 = 1376919991
BaseRepresentation
bin10111110100101…
…11100000101011
3111221001102200212
423322113200223
5402130200102
631455251335
74644461066
oct1372274053
9457042625
10199850027
11a28a0313
1256b19b4b
1332533c70
141c7838dd
1512829c52
hexbe9782b

199850027 has 8 divisors (see below), whose sum is σ = 215513760. Its totient is φ = 184227840.

The previous prime is 199850023. The next prime is 199850033. The reversal of 199850027 is 720058991.

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 199850027 - 22 = 199850023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199850023) 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, 2 + ... + 19992.

It is an arithmetic number, because the mean of its divisors is an integer number (26939220).

Almost surely, 2199850027 is an apocalyptic number.

199850027 is a deficient number, since it is larger than the sum of its proper divisors (15663733).

199850027 is a wasteful number, since it uses less digits than its factorization.

199850027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20773.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 199850027 is about 14136.8322830824. The cubic root of 199850027 is about 584.6573365195.

It can be divided in two parts, 1998 and 50027, that added together give a palindrome (52025).

The spelling of 199850027 in words is "one hundred ninety-nine million, eight hundred fifty thousand, twenty-seven".

Divisors: 1 13 769 9997 19991 259883 15373079 199850027