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199048290 = 23572434767
BaseRepresentation
bin10111101110100…
…11110001100010
3111212112200220220
423313103301202
5401424021130
631430143510
74634611500
oct1367236142
9455480826
10199048290
11a23a2a21
12567b1b96
133231306c
141c615670
151271c410
hexbdd3c62

199048290 has 192 divisors, whose sum is σ = 589400064. Its totient is φ = 42844032.

The previous prime is 199048261. The next prime is 199048331. The reversal of 199048290 is 92840991.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2970837 + ... + 2970903.

It is an arithmetic number, because the mean of its divisors is an integer number (3069792).

Almost surely, 2199048290 is an apocalyptic number.

199048290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 199048290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294700032).

199048290 is an abundant number, since it is smaller than the sum of its proper divisors (390351774).

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

199048290 is a wasteful number, since it uses less digits than its factorization.

199048290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 199048290 is about 14108.4474695127. The cubic root of 199048290 is about 583.8744667473.

The spelling of 199048290 in words is "one hundred ninety-nine million, forty-eight thousand, two hundred ninety".