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19324929 = 313495511
BaseRepresentation
bin100100110111…
…0000000000001
31100100210211010
41021232000001
514421344204
61530111133
7323154621
oct111560001
940323733
1019324929
11a9aa118
12657b4a9
134008090
1427d0881
151a6ad89
hex126e001

19324929 has 8 divisors (see below), whose sum is σ = 27748672. Its totient is φ = 11892240.

The previous prime is 19324867. The next prime is 19324939. The reversal of 19324929 is 92942391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19324929 - 219 = 18800641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 495511 = 19324929 / (1 + 9 + 3 + 2 + 4 + 9 + 2 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19324939) 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, 247717 + ... + 247794.

It is an arithmetic number, because the mean of its divisors is an integer number (3468584).

It is a Proth number, since it is equal to 2359 ⋅ 213 + 1 and 2359 < 213.

Almost surely, 219324929 is an apocalyptic number.

It is an amenable number.

19324929 is a deficient number, since it is larger than the sum of its proper divisors (8423743).

19324929 is a wasteful number, since it uses less digits than its factorization.

19324929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495527.

The product of its digits is 34992, while the sum is 39.

The square root of 19324929 is about 4396.0128525745. The cubic root of 19324929 is about 268.3526998440.

The spelling of 19324929 in words is "nineteen million, three hundred twenty-four thousand, nine hundred twenty-nine".

Divisors: 1 3 13 39 495511 1486533 6441643 19324929