Base | Representation |
---|---|
bin | 100100111100… |
… | …1100001110101 |
3 | 1100110012121000 |
4 | 1021321201311 |
5 | 14424402044 |
6 | 1531113513 |
7 | 323442366 |
oct | 111714165 |
9 | 40405530 |
10 | 19372149 |
11 | aa31645 |
12 | 65a2899 |
13 | 4023714 |
14 | 2803b6d |
15 | 1a79d69 |
hex | 1279875 |
19372149 has 16 divisors (see below), whose sum is σ = 28923840. Its totient is φ = 12813840.
The previous prime is 19372147. The next prime is 19372151. The reversal of 19372149 is 94127391.
It is an interprime number because it is at equal distance from previous prime (19372147) and next prime (19372151).
It is not a de Polignac number, because 19372149 - 21 = 19372147 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19372147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 799 + ... + 6275.
It is an arithmetic number, because the mean of its divisors is an integer number (1807740).
Almost surely, 219372149 is an apocalyptic number.
It is an amenable number.
19372149 is a deficient number, since it is larger than the sum of its proper divisors (9551691).
19372149 is a wasteful number, since it uses less digits than its factorization.
19372149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5617 (or 5611 counting only the distinct ones).
The product of its digits is 13608, while the sum is 36.
The square root of 19372149 is about 4401.3803516624. The cubic root of 19372149 is about 268.5710931871.
The spelling of 19372149 in words is "nineteen million, three hundred seventy-two thousand, one hundred forty-nine".
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