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199000550 = 25274791187
BaseRepresentation
bin10111101110010…
…00000111100110
3111212110021102202
423313020013212
5401421004200
631425134502
74634322350
oct1367100746
9455407382
10199000550
11a2370071
125678a432
13322c7408
141c6020d0
151270d1d5
hexbdc81e6

199000550 has 48 divisors (see below), whose sum is σ = 424258560. Its totient is φ = 68028960.

The previous prime is 199000499. The next prime is 199000559. The reversal of 199000550 is 55000991.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199000559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167057 + ... + 168243.

It is an arithmetic number, because the mean of its divisors is an integer number (8838720).

Almost surely, 2199000550 is an apocalyptic number.

199000550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199000550 is an abundant number, since it is smaller than the sum of its proper divisors (225258010).

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

199000550 is a wasteful number, since it uses less digits than its factorization.

199000550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685 (or 1680 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 29.

The square root of 199000550 is about 14106.7554738856. The cubic root of 199000550 is about 583.8277839452.

The spelling of 199000550 in words is "one hundred ninety-nine million, five hundred fifty", and thus it is an aban number.

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 479 958 1187 2374 2395 3353 4790 5935 6706 8309 11870 11975 16618 16765 23950 29675 33530 41545 59350 83090 83825 167650 207725 415450 568573 1137146 2842865 3980011 5685730 7960022 14214325 19900055 28428650 39800110 99500275 199000550