Base | Representation |
---|---|
bin | 10110101001100… |
… | …10111101101111 |
3 | 111020112001101100 |
4 | 23110302331233 |
5 | 342120013012 |
6 | 30504214143 |
7 | 4464660540 |
oct | 1324627557 |
9 | 436461340 |
10 | 190001007 |
11 | 98283629 |
12 | 5376a353 |
13 | 30496041 |
14 | 1b33c4c7 |
15 | 11a318dc |
hex | b532f6f |
190001007 has 24 divisors (see below), whose sum is σ = 330162560. Its totient is φ = 102857040.
The previous prime is 190000991. The next prime is 190001023. The reversal of 190001007 is 700100091.
It is an interprime number because it is at equal distance from previous prime (190000991) and next prime (190001023).
It is not a de Polignac number, because 190001007 - 24 = 190000991 is a prime.
It is a super-2 number, since 2×1900010072 = 72200765322028098, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (190001057) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78169 + ... + 80562.
Almost surely, 2190001007 is an apocalyptic number.
190001007 is a deficient number, since it is larger than the sum of its proper divisors (140161553).
190001007 is a wasteful number, since it uses less digits than its factorization.
190001007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158763 (or 158760 counting only the distinct ones).
The product of its (nonzero) digits is 63, while the sum is 18.
The square root of 190001007 is about 13784.0852797710. The cubic root of 190001007 is about 574.8907235312.
Adding to 190001007 its reverse (700100091), we get a palindrome (890101098).
The spelling of 190001007 in words is "one hundred ninety million, one thousand, seven".
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