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199990014 = 23723207029
BaseRepresentation
bin10111110101110…
…01101011111110
3111221022112201120
423322321223332
5402144140024
631502251410
74645613160
oct1372715376
9457275646
10199990014
11a2986504
1256b86b66
13325828b3
141c7bc930
1512856479
hexbeb9afe

199990014 has 32 divisors (see below), whose sum is σ = 476997120. Its totient is φ = 54655392.

The previous prime is 199990013. The next prime is 199990019. The reversal of 199990014 is 410099991.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199990013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102549 + ... + 104480.

It is an arithmetic number, because the mean of its divisors is an integer number (14906160).

Almost surely, 2199990014 is an apocalyptic number.

199990014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

199990014 is an abundant number, since it is smaller than the sum of its proper divisors (277007106).

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

199990014 is a wasteful number, since it uses less digits than its factorization.

199990014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207064.

The product of its (nonzero) digits is 26244, while the sum is 42.

The square root of 199990014 is about 14141.7825609079. The cubic root of 199990014 is about 584.7938144002.

The spelling of 199990014 in words is "one hundred ninety-nine million, nine hundred ninety thousand, fourteen".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 161 322 483 966 207029 414058 621087 1242174 1449203 2898406 4347609 4761667 8695218 9523334 14285001 28570002 33331669 66663338 99995007 199990014