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19961341 = 52338167
BaseRepresentation
bin100110000100…
…1010111111101
31101120010210221
41030021113331
520102230331
61551501341
7331445221
oct114112775
941503727
1019961341
11102a4284
126827851
13419b95a
142918781
151b44711
hex13095fd

19961341 has 4 divisors (see below), whose sum is σ = 20000032. Its totient is φ = 19922652.

The previous prime is 19961329. The next prime is 19961351. The reversal of 19961341 is 14316991.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14316991 = 131101307.

It is a cyclic number.

It is not a de Polignac number, because 19961341 - 213 = 19953149 is a prime.

It is a super-3 number, since 3×199613413 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19961297 and 19961306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19961321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18561 + ... + 19606.

It is an arithmetic number, because the mean of its divisors is an integer number (5000008).

Almost surely, 219961341 is an apocalyptic number.

It is an amenable number.

19961341 is a deficient number, since it is larger than the sum of its proper divisors (38691).

19961341 is an equidigital number, since it uses as much as digits as its factorization.

19961341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38690.

The product of its digits is 5832, while the sum is 34.

The square root of 19961341 is about 4467.8116567286. The cubic root of 19961341 is about 271.2667543998.

It can be divided in two parts, 19961 and 341, that added together give a palindrome (20302).

The spelling of 19961341 in words is "nineteen million, nine hundred sixty-one thousand, three hundred forty-one".

Divisors: 1 523 38167 19961341