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199042272 = 25351113179
BaseRepresentation
bin10111101110100…
…10010011100000
3111212112101200000
423313102103200
5401423323042
631430100000
74634555112
oct1367222340
9455471600
10199042272
11a2399450
12567aa600
13323103c0
141c6133b2
151271a74c
hexbdd24e0

199042272 has 288 divisors, whose sum is σ = 693463680. Its totient is φ = 55365120.

The previous prime is 199042219. The next prime is 199042297. The reversal of 199042272 is 272240991.

199042272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1111879 + ... + 1112057.

It is an arithmetic number, because the mean of its divisors is an integer number (2407860).

Almost surely, 2199042272 is an apocalyptic number.

199042272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199042272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346731840).

199042272 is an abundant number, since it is smaller than the sum of its proper divisors (494421408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199042272 is a wasteful number, since it uses less digits than its factorization.

199042272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 199042272 is about 14108.2341914217. The cubic root of 199042272 is about 583.8685824266.

The spelling of 199042272 in words is "one hundred ninety-nine million, forty-two thousand, two hundred seventy-two".