Search a number
-
+
19198053 = 3473691
BaseRepresentation
bin100100100111…
…1000001100101
31100010100210000
41021033001211
514403314203
61523251513
7322116000
oct111170145
940110700
1019198053
11a922866
126519b99
133c923c4
14279a537
151a434a3
hex124f065

19198053 has 40 divisors (see below), whose sum is σ = 33492800. Its totient is φ = 10954440.

The previous prime is 19197991. The next prime is 19198057. The reversal of 19198053 is 35089191.

It is a happy number.

It is not a de Polignac number, because 19198053 - 216 = 19132517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 19197999 and 19198017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19198057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27438 + ... + 28128.

It is an arithmetic number, because the mean of its divisors is an integer number (837320).

Almost surely, 219198053 is an apocalyptic number.

It is an amenable number.

19198053 is a deficient number, since it is larger than the sum of its proper divisors (14294747).

19198053 is an frugal number, since it uses more digits than its factorization.

19198053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 19198053 is about 4381.5582844463. The cubic root of 19198053 is about 267.7641284356.

The spelling of 19198053 in words is "nineteen million, one hundred ninety-eight thousand, fifty-three".

Divisors: 1 3 7 9 21 27 49 63 81 147 189 343 441 567 691 1029 1323 2073 3087 3969 4837 6219 9261 14511 18657 27783 33859 43533 55971 101577 130599 237013 304731 391797 711039 914193 2133117 2742579 6399351 19198053