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19196023 = 7111913121
BaseRepresentation
bin100100100111…
…0100001110111
31100010020222211
41021032201313
514403233043
61523234251
7322110040
oct111164167
940106884
1019196023
11a921290
126518987
133c914c2
1427998c7
151a42a9d
hex124e877

19196023 has 16 divisors (see below), whose sum is σ = 25194240. Its totient is φ = 14169600.

The previous prime is 19195997. The next prime is 19196041. The reversal of 19196023 is 32069191.

It is a cyclic number.

It is not a de Polignac number, because 19196023 - 29 = 19195511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19196083) 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, 5098 + ... + 8023.

It is an arithmetic number, because the mean of its divisors is an integer number (1574640).

Almost surely, 219196023 is an apocalyptic number.

19196023 is a deficient number, since it is larger than the sum of its proper divisors (5998217).

19196023 is a wasteful number, since it uses less digits than its factorization.

19196023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13158.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 19196023 is about 4381.3266255781. The cubic root of 19196023 is about 267.7546903198.

The spelling of 19196023 in words is "nineteen million, one hundred ninety-six thousand, twenty-three".

Divisors: 1 7 11 19 77 133 209 1463 13121 91847 144331 249299 1010317 1745093 2742289 19196023