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19032808 = 237873023
BaseRepresentation
bin100100010011…
…0101011101000
31022210222002211
41020212223220
514333022213
61515534504
7320530144
oct110465350
938728084
1019032808
11a81a6a3
12645a434
133c35122
142756224
151a0e53d
hex1226ae8

19032808 has 16 divisors (see below), whose sum is σ = 35743680. Its totient is φ = 9501168.

The previous prime is 19032781. The next prime is 19032821. The reversal of 19032808 is 80823091.

It is a self number, because there is not a number n which added to its sum of digits gives 19032808.

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, 4785 + ... + 7807.

It is an arithmetic number, because the mean of its divisors is an integer number (2233980).

Almost surely, 219032808 is an apocalyptic number.

It is an amenable number.

19032808 is a deficient number, since it is larger than the sum of its proper divisors (16710872).

19032808 is a wasteful number, since it uses less digits than its factorization.

19032808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3816 (or 3812 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 19032808 is about 4362.6606560676. The cubic root of 19032808 is about 266.9936641363.

Adding to 19032808 its reverse (80823091), we get a palindrome (99855899).

The spelling of 19032808 in words is "nineteen million, thirty-two thousand, eight hundred eight".

Divisors: 1 2 4 8 787 1574 3023 3148 6046 6296 12092 24184 2379101 4758202 9516404 19032808