Base | Representation |
---|---|
bin | 100101001010… |
… | …0000111000110 |
3 | 1100122201221122 |
4 | 1022110013012 |
5 | 14441343110 |
6 | 1533313542 |
7 | 324405002 |
oct | 112240706 |
9 | 40581848 |
10 | 19481030 |
11 | aaa6428 |
12 | 66358b2 |
13 | 406114a |
14 | 2831702 |
15 | 1a9c255 |
hex | 12941c6 |
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".
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