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19441369 = 179313347
BaseRepresentation
bin100101000101…
…0011011011001
31100120201112201
41022022123121
514434110434
61532410201
7324151243
oct112123331
940521481
1019441369
11aa79652
126616961
13404908c
142821093
151a90614
hex128a6d9

19441369 has 8 divisors (see below), whose sum is σ = 19668960. Its totient is φ = 19215456.

The previous prime is 19441361. The next prime is 19441381. The reversal of 19441369 is 96314491.

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 19441369 - 23 = 19441361 is a prime.

It is a super-2 number, since 2×194413692 = 755933657188322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19441361) 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, 55854 + ... + 56200.

It is an arithmetic number, because the mean of its divisors is an integer number (2458620).

Almost surely, 219441369 is an apocalyptic number.

It is an amenable number.

19441369 is a deficient number, since it is larger than the sum of its proper divisors (227591).

19441369 is a wasteful number, since it uses less digits than its factorization.

19441369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839.

The product of its digits is 23328, while the sum is 37.

The square root of 19441369 is about 4409.2367820293. The cubic root of 19441369 is about 268.8905964180.

The spelling of 19441369 in words is "nineteen million, four hundred forty-one thousand, three hundred sixty-nine".

Divisors: 1 179 313 347 56027 62113 108611 19441369