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19004828 = 2237128411
BaseRepresentation
bin100100001111…
…1110110011100
31022202112201112
41020133312130
514331123303
61515201152
7320352443
oct110376634
938675645
1019004828
11a800677
1264461b8
133c2547b
142749d5a
151a060d8
hex121fd9c

19004828 has 12 divisors (see below), whose sum is σ = 34157592. Its totient is φ = 9245520.

The previous prime is 19004813. The next prime is 19004833. The reversal of 19004828 is 82840091.

It is a happy number.

It is a super-2 number, since 2×190048282 = 722366974619168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19004794 and 19004803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64058 + ... + 64353.

It is an arithmetic number, because the mean of its divisors is an integer number (2846466).

Almost surely, 219004828 is an apocalyptic number.

It is an amenable number.

19004828 is a deficient number, since it is larger than the sum of its proper divisors (15152764).

19004828 is a wasteful number, since it uses less digits than its factorization.

19004828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128452 (or 128450 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 19004828 is about 4359.4527179452. The cubic root of 19004828 is about 266.8627647882.

The spelling of 19004828 in words is "nineteen million, four thousand, eight hundred twenty-eight".

Divisors: 1 2 4 37 74 148 128411 256822 513644 4751207 9502414 19004828