Base | Representation |
---|---|
bin | 100100110011… |
… | …1011011101111 |
3 | 1100022102220220 |
4 | 1021213123233 |
5 | 14420014111 |
6 | 1525342423 |
7 | 323013324 |
oct | 111473357 |
9 | 40272826 |
10 | 19298031 |
11 | a990995 |
12 | 6567a13 |
13 | 3cc8a6c |
14 | 27c4b4b |
15 | 1a62e06 |
hex | 12676ef |
19298031 has 8 divisors (see below), whose sum is σ = 25933824. Its totient is φ = 12763800.
The previous prime is 19298023. The next prime is 19298051. The reversal of 19298031 is 13089291.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 19298031 - 23 = 19298023 is a prime.
It is a super-2 number, since 2×192980312 = 744828000953922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 19297983 and 19298001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19298051) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24945 + ... + 25706.
It is an arithmetic number, because the mean of its divisors is an integer number (3241728).
Almost surely, 219298031 is an apocalyptic number.
19298031 is a deficient number, since it is larger than the sum of its proper divisors (6635793).
19298031 is a wasteful number, since it uses less digits than its factorization.
19298031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50781.
The product of its (nonzero) digits is 3888, while the sum is 33.
The square root of 19298031 is about 4392.9524240538. The cubic root of 19298031 is about 268.2281370328.
The spelling of 19298031 in words is "nineteen million, two hundred ninety-eight thousand, thirty-one".
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