Base | Representation |
---|---|
bin | 100100100000… |
… | …1100100000010 |
3 | 1100000120010211 |
4 | 1021001210002 |
5 | 14400033124 |
6 | 1522144334 |
7 | 321466150 |
oct | 111014402 |
9 | 40016124 |
10 | 19142914 |
11 | a89539a |
12 | 64b20aa |
13 | 3c7328b |
14 | 27843d0 |
15 | 1a31e94 |
hex | 1241902 |
19142914 has 16 divisors (see below), whose sum is σ = 32872896. Its totient is φ = 8190000.
The previous prime is 19142909. The next prime is 19142917. The reversal of 19142914 is 41924191.
It is a super-2 number, since 2×191429142 = 732902312822792, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (19142917) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14064 + ... + 15364.
It is an arithmetic number, because the mean of its divisors is an integer number (2054556).
Almost surely, 219142914 is an apocalyptic number.
19142914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
19142914 is a deficient number, since it is larger than the sum of its proper divisors (13729982).
19142914 is a wasteful number, since it uses less digits than its factorization.
19142914 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2361.
The product of its digits is 2592, while the sum is 31.
The square root of 19142914 is about 4375.2615921794. The cubic root of 19142914 is about 267.5075329058.
The spelling of 19142914 in words is "nineteen million, one hundred forty-two thousand, nine hundred fourteen".
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