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199546494 = 23761711097
BaseRepresentation
bin10111110010011…
…01011001111110
3111220111000022220
423321031121332
5402040441434
631444550210
74642055130
oct1371153176
9456430286
10199546494
11a2703264
12569b2366
1332458a64
141c705050
15127b9d49
hexbe4d67e

199546494 has 64 divisors (see below), whose sum is σ = 470541312. Its totient is φ = 55238400.

The previous prime is 199546489. The next prime is 199546511. The reversal of 199546494 is 494645991.

199546494 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 1995 and 46494 contains 199546494 itself.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181354 + ... + 182450.

It is an arithmetic number, because the mean of its divisors is an integer number (7352208).

Almost surely, 2199546494 is an apocalyptic number.

199546494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 199546494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235270656).

199546494 is an abundant number, since it is smaller than the sum of its proper divisors (270994818).

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

199546494 is a wasteful number, since it uses less digits than its factorization.

199546494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241.

The product of its digits is 1399680, while the sum is 51.

The square root of 199546494 is about 14126.0926657020. The cubic root of 199546494 is about 584.3611932605.

The spelling of 199546494 in words is "one hundred ninety-nine million, five hundred forty-six thousand, four hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 61 71 122 142 183 213 366 426 427 497 854 994 1097 1281 1491 2194 2562 2982 3291 4331 6582 7679 8662 12993 15358 23037 25986 30317 46074 60634 66917 77887 90951 133834 155774 181902 200751 233661 401502 467322 468419 545209 936838 1090418 1405257 1635627 2810514 3271254 4751107 9502214 14253321 28506642 33257749 66515498 99773247 199546494