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199472054 = 2235697621
BaseRepresentation
bin10111110001110…
…11001110110110
3111220100020012212
423320323032312
5402031101204
631443213422
74641325115
oct1370731666
9456306185
10199472054
11a2662341
1256977272
1332430c02
141c6c5c7c
15127a2c6e
hexbe3b3b6

199472054 has 16 divisors (see below), whose sum is σ = 312806880. Its totient is φ = 95219520.

The previous prime is 199472047. The next prime is 199472059. The reversal of 199472054 is 450274991.

199472054 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199472059) 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, 22364 + ... + 29984.

It is an arithmetic number, because the mean of its divisors is an integer number (19550430).

Almost surely, 2199472054 is an apocalyptic number.

199472054 is a deficient number, since it is larger than the sum of its proper divisors (113334826).

199472054 is a wasteful number, since it uses less digits than its factorization.

199472054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8215.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 199472054 is about 14123.4575795023. The cubic root of 199472054 is about 584.2885197085.

The spelling of 199472054 in words is "one hundred ninety-nine million, four hundred seventy-two thousand, fifty-four".

Divisors: 1 2 23 46 569 1138 7621 13087 15242 26174 175283 350566 4336349 8672698 99736027 199472054