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19199193 = 3134112007
BaseRepresentation
bin100100100111…
…1010011011001
31100010102100020
41021033103121
514403333233
61523301053
7322122216
oct111172331
940112306
1019199193
11a923702
12651a789
133c92a90
14279ab0d
151a439b3
hex124f4d9

19199193 has 16 divisors (see below), whose sum is σ = 28242816. Its totient is φ = 11525760.

The previous prime is 19199183. The next prime is 19199203. The reversal of 19199193 is 39199191.

It is an interprime number because it is at equal distance from previous prime (19199183) and next prime (19199203).

It is not a de Polignac number, because 19199193 - 28 = 19198937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19199123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4405 + ... + 7602.

It is an arithmetic number, because the mean of its divisors is an integer number (1765176).

Almost surely, 219199193 is an apocalyptic number.

19199193 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

19199193 is a deficient number, since it is larger than the sum of its proper divisors (9043623).

19199193 is a wasteful number, since it uses less digits than its factorization.

19199193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12064.

The product of its digits is 19683, while the sum is 42.

The square root of 19199193 is about 4381.6883732187. The cubic root of 19199193 is about 267.7694283665.

The spelling of 19199193 in words is "nineteen million, one hundred ninety-nine thousand, one hundred ninety-three".

Divisors: 1 3 13 39 41 123 533 1599 12007 36021 156091 468273 492287 1476861 6399731 19199193