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19748104 = 237931247
BaseRepresentation
bin100101101010…
…1010100001000
31101011022022021
41023111110020
520023414404
61543134224
7326566435
oct113252410
941138267
1019748104
1110169052
126744374
13412588c
1428a0b8c
151b01454
hex12d5508

19748104 has 16 divisors (see below), whose sum is σ = 37497600. Its totient is φ = 9748752.

The previous prime is 19748093. The next prime is 19748129. The reversal of 19748104 is 40184791.

It is a super-2 number, since 2×197481042 = 779975223189632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19748104.

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, 14992 + ... + 16255.

It is an arithmetic number, because the mean of its divisors is an integer number (2343600).

Almost surely, 219748104 is an apocalyptic number.

It is an amenable number.

19748104 is a deficient number, since it is larger than the sum of its proper divisors (17749496).

19748104 is a wasteful number, since it uses less digits than its factorization.

19748104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31332 (or 31328 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 19748104 is about 4443.8838868719. The cubic root of 19748104 is about 270.2973587184.

The spelling of 19748104 in words is "nineteen million, seven hundred forty-eight thousand, one hundred four".

Divisors: 1 2 4 8 79 158 316 632 31247 62494 124988 249976 2468513 4937026 9874052 19748104