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19995119 = 236171409
BaseRepresentation
bin100110001000…
…1100111101111
31101121212010222
41030101213233
520104320434
61552321555
7331645544
oct114214757
941555128
1019995119
11103176a1
1268432bb
1341b1141
142926bcb
151b4e72e
hex13119ef

19995119 has 8 divisors (see below), whose sum is σ = 20913120. Its totient is φ = 19081216.

The previous prime is 19995113. The next prime is 19995127. The reversal of 19995119 is 91159991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19995119 - 24 = 19995103 is a prime.

It is a super-2 number, since 2×199951192 = 799609567648322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19995119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19995113) 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, 13487 + ... + 14895.

It is an arithmetic number, because the mean of its divisors is an integer number (2614140).

Almost surely, 219995119 is an apocalyptic number.

19995119 is a deficient number, since it is larger than the sum of its proper divisors (918001).

19995119 is a wasteful number, since it uses less digits than its factorization.

19995119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049.

The product of its digits is 32805, while the sum is 44.

The square root of 19995119 is about 4471.5902093103. The cubic root of 19995119 is about 271.4196780756.

The spelling of 19995119 in words is "nineteen million, nine hundred ninety-five thousand, one hundred nineteen".

Divisors: 1 23 617 1409 14191 32407 869353 19995119