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19129484 = 2211434761
BaseRepresentation
bin100100011111…
…0010010001100
31022222212201102
41020332102030
514344120414
61522002232
7321412043
oct110762214
938885642
1019129484
11a8862a0
1264a6378
133c6a12a
14277d55a
151a2cede
hex123e48c

19129484 has 12 divisors (see below), whose sum is σ = 36520008. Its totient is φ = 8695200.

The previous prime is 19129433. The next prime is 19129499. The reversal of 19129484 is 48492191.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217337 + ... + 217424.

It is an arithmetic number, because the mean of its divisors is an integer number (3043334).

Almost surely, 219129484 is an apocalyptic number.

It is an amenable number.

19129484 is a deficient number, since it is larger than the sum of its proper divisors (17390524).

19129484 is a wasteful number, since it uses less digits than its factorization.

19129484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434776 (or 434774 counting only the distinct ones).

The product of its digits is 20736, while the sum is 38.

The square root of 19129484 is about 4373.7265575251. The cubic root of 19129484 is about 267.4449602893. Note that the first 3 decimals are identical.

The spelling of 19129484 in words is "nineteen million, one hundred twenty-nine thousand, four hundred eighty-four".

Divisors: 1 2 4 11 22 44 434761 869522 1739044 4782371 9564742 19129484