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19241019 = 327305413
BaseRepresentation
bin100100101100…
…1100000111011
31100012112201100
41021121200323
514411203034
61524222443
7322355160
oct111314073
940175640
1019241019
11a952076
12653aa23
133ca8b25
1427ac067
151a51099
hex125983b

19241019 has 12 divisors (see below), whose sum is σ = 31763056. Its totient is φ = 10994832.

The previous prime is 19241011. The next prime is 19241023. The reversal of 19241019 is 91014291.

It is not a de Polignac number, because 19241019 - 23 = 19241011 is a prime.

It is a super-2 number, since 2×192410192 = 740433624316722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19240983 and 19241001.

It is not an unprimeable number, because it can be changed into a prime (19241011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152644 + ... + 152769.

Almost surely, 219241019 is an apocalyptic number.

19241019 is a deficient number, since it is larger than the sum of its proper divisors (12522037).

19241019 is a wasteful number, since it uses less digits than its factorization.

19241019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305426 (or 305423 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 19241019 is about 4386.4585943560. The cubic root of 19241019 is about 267.9637351613.

The spelling of 19241019 in words is "nineteen million, two hundred forty-one thousand, nineteen".

Divisors: 1 3 7 9 21 63 305413 916239 2137891 2748717 6413673 19241019