Search a number
-
+
19481030 = 2547181229
BaseRepresentation
bin100101001010…
…0000111000110
31100122201221122
41022110013012
514441343110
61533313542
7324405002
oct112240706
940581848
1019481030
11aaa6428
1266358b2
13406114a
142831702
151a9c255
hex12941c6

19481030 has 32 divisors (see below), whose sum is σ = 36167040. Its totient is φ = 7551360.

The previous prime is 19481017. The next prime is 19481041. The reversal of 19481030 is 3018491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84956 + ... + 85184.

It is an arithmetic number, because the mean of its divisors is an integer number (1130220).

Almost surely, 219481030 is an apocalyptic number.

19481030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19481030 is a deficient number, since it is larger than the sum of its proper divisors (16686010).

19481030 is a wasteful number, since it uses less digits than its factorization.

19481030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 19481030 is about 4413.7319809884. The cubic root of 19481030 is about 269.0733206250.

The spelling of 19481030 in words is "nineteen million, four hundred eighty-one thousand, thirty".

Divisors: 1 2 5 10 47 94 181 229 235 362 458 470 905 1145 1810 2290 8507 10763 17014 21526 41449 42535 53815 82898 85070 107630 207245 414490 1948103 3896206 9740515 19481030