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19349141 = 723120181
BaseRepresentation
bin100100111001…
…1111010010101
31100102001000212
41021303322111
514423133031
61530415205
7323315330
oct111637225
940361025
1019349141
11aa16329
126591505
1340160c6
1427d9617
151a7312b
hex1273e95

19349141 has 8 divisors (see below), whose sum is σ = 23074944. Its totient is φ = 15863760.

The previous prime is 19349137. The next prime is 19349149. The reversal of 19349141 is 14194391.

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 19349141 - 22 = 19349137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19349098 and 19349107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19349149) 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, 59930 + ... + 60251.

It is an arithmetic number, because the mean of its divisors is an integer number (2884368).

Almost surely, 219349141 is an apocalyptic number.

It is an amenable number.

19349141 is a deficient number, since it is larger than the sum of its proper divisors (3725803).

19349141 is a wasteful number, since it uses less digits than its factorization.

19349141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120211.

The product of its digits is 3888, while the sum is 32.

The square root of 19349141 is about 4398.7658496446. The cubic root of 19349141 is about 268.4647251623.

The spelling of 19349141 in words is "nineteen million, three hundred forty-nine thousand, one hundred forty-one".

Divisors: 1 7 23 161 120181 841267 2764163 19349141