Base | Representation |
---|---|
bin | 111011011011… |
… | …1111010011110 |
3 | 2011122012020200 |
4 | 1312313322132 |
5 | 30434141024 |
6 | 3031524330 |
7 | 525605232 |
oct | 166677236 |
9 | 64565220 |
10 | 31162014 |
11 | 16654534 |
12 | a5296a6 |
13 | 65c0b80 |
14 | 41d25c2 |
15 | 2b082c9 |
hex | 1db7e9e |
31162014 has 96 divisors (see below), whose sum is σ = 78798720. Its totient is φ = 8817984.
The previous prime is 31161997. The next prime is 31162031. The reversal of 31162014 is 41026113.
It is a happy number.
31162014 is a `hidden beast` number, since 31 + 1 + 620 + 14 = 666.
It is an interprime number because it is at equal distance from previous prime (31161997) and next prime (31162031).
It is a super-2 number, since 2×311620142 = 1942142233072392, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 191097 + ... + 191259.
It is an arithmetic number, because the mean of its divisors is an integer number (820820).
Almost surely, 231162014 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31162014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39399360).
31162014 is an abundant number, since it is smaller than the sum of its proper divisors (47636706).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31162014 is a wasteful number, since it uses less digits than its factorization.
31162014 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 246 (or 243 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 31162014 is about 5582.2946894624. The cubic root of 31162014 is about 314.6843701637.
Adding to 31162014 its reverse (41026113), we get a palindrome (72188127).
The spelling of 31162014 in words is "thirty-one million, one hundred sixty-two thousand, fourteen".
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