Base | Representation |
---|---|
bin | 110111011100011… |
… | …011100100010111 |
3 | 2101211100001021121 |
4 | 313130123210113 |
5 | 3401112343311 |
6 | 232145224411 |
7 | 32023365601 |
oct | 6734334427 |
9 | 2354301247 |
10 | 930199831 |
11 | 4380899a0 |
12 | 21b632107 |
13 | 11a93b602 |
14 | 8b77c171 |
15 | 569e4b71 |
hex | 3771b917 |
930199831 has 8 divisors (see below), whose sum is σ = 1017642384. Its totient is φ = 843237120.
The previous prime is 930199817. The next prime is 930199843. The reversal of 930199831 is 138991039.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 930199831 - 219 = 929675543 is a prime.
It is a super-2 number, since 2×9301998312 = 1730543451184857122, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (930199801) 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, 115896 + ... + 123661.
It is an arithmetic number, because the mean of its divisors is an integer number (127205298).
Almost surely, 2930199831 is an apocalyptic number.
930199831 is a deficient number, since it is larger than the sum of its proper divisors (87442553).
930199831 is a wasteful number, since it uses less digits than its factorization.
930199831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 239921.
The product of its (nonzero) digits is 52488, while the sum is 43.
The square root of 930199831 is about 30499.1775462880. The cubic root of 930199831 is about 976.1699148627.
The spelling of 930199831 in words is "nine hundred thirty million, one hundred ninety-nine thousand, eight hundred thirty-one".
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