Base | Representation |
---|---|
bin | 111011011000… |
… | …1100100100010 |
3 | 2011120212121110 |
4 | 1312301210202 |
5 | 30432323114 |
6 | 3031204150 |
7 | 525436416 |
oct | 166614442 |
9 | 64525543 |
10 | 31136034 |
11 | 16636a66 |
12 | a516656 |
13 | 65b20b7 |
14 | 41c6d46 |
15 | 2b00759 |
hex | 1db1922 |
31136034 has 8 divisors (see below), whose sum is σ = 62272080. Its totient is φ = 10378676.
The previous prime is 31136029. The next prime is 31136051. The reversal of 31136034 is 43063113.
It is a sphenic number, since it is the product of 3 distinct primes.
31136034 is an admirable number.
It is a super-2 number, since 2×311360342 = 1938905226498312, which contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 31136034.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2594664 + ... + 2594675.
It is an arithmetic number, because the mean of its divisors is an integer number (7784010).
Almost surely, 231136034 is an apocalyptic number.
31136034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31136034 is a wasteful number, since it uses less digits than its factorization.
31136034 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5189344.
The product of its (nonzero) digits is 648, while the sum is 21.
The square root of 31136034 is about 5579.9672042047. The cubic root of 31136034 is about 314.5968942923.
Adding to 31136034 its reverse (43063113), we get a palindrome (74199147).
The spelling of 31136034 in words is "thirty-one million, one hundred thirty-six thousand, thirty-four".
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