Base | Representation |
---|---|
bin | 111011101001… |
… | …0110001011010 |
3 | 2011211210011012 |
4 | 1313102301122 |
5 | 31001201101 |
6 | 3034133522 |
7 | 526544042 |
oct | 167226132 |
9 | 64753135 |
10 | 31272026 |
11 | 1671a155 |
12 | a5812a2 |
13 | 662bc76 |
14 | 4220722 |
15 | 2b2abbb |
hex | 1dd2c5a |
31272026 has 8 divisors (see below), whose sum is σ = 46959264. Its totient is φ = 15618940.
The previous prime is 31272023. The next prime is 31272029. The reversal of 31272026 is 62027213.
It is an interprime number because it is at equal distance from previous prime (31272023) and next prime (31272029).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×312720262 = 1955879220289352, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31271992 and 31272010.
It is not an unprimeable number, because it can be changed into a prime (31272023) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6110 + ... + 9993.
It is an arithmetic number, because the mean of its divisors is an integer number (5869908).
Almost surely, 231272026 is an apocalyptic number.
31272026 is a deficient number, since it is larger than the sum of its proper divisors (15687238).
31272026 is a wasteful number, since it uses less digits than its factorization.
31272026 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17076.
The product of its (nonzero) digits is 1008, while the sum is 23.
The square root of 31272026 is about 5592.1396620614. The cubic root of 31272026 is about 315.0542478168.
Adding to 31272026 its reverse (62027213), we get a palindrome (93299239).
The spelling of 31272026 in words is "thirty-one million, two hundred seventy-two thousand, twenty-six".
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