Base | Representation |
---|---|
bin | 111011100100… |
… | …1100000111110 |
3 | 2011202212010220 |
4 | 1313021200332 |
5 | 30443442420 |
6 | 3033242210 |
7 | 526325355 |
oct | 167114076 |
9 | 64685126 |
10 | 31234110 |
11 | 166a3716 |
12 | a563366 |
13 | 661792b |
14 | 421099c |
15 | 2b1e840 |
hex | 1dc983e |
31234110 has 16 divisors (see below), whose sum is σ = 74961936. Its totient is φ = 8329088.
The previous prime is 31234109. The next prime is 31234141. The reversal of 31234110 is 1143213.
It is a Harshad number since it is a multiple of its sum of digits (15).
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 31234110.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520539 + ... + 520598.
It is an arithmetic number, because the mean of its divisors is an integer number (4685121).
Almost surely, 231234110 is an apocalyptic number.
31234110 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31234110 is an abundant number, since it is smaller than the sum of its proper divisors (43727826).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31234110 is a wasteful number, since it uses less digits than its factorization.
31234110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1041147.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 31234110 is about 5588.7485182284. The cubic root of 31234110 is about 314.9268663678.
Adding to 31234110 its reverse (1143213), we get a palindrome (32377323).
The spelling of 31234110 in words is "thirty-one million, two hundred thirty-four thousand, one hundred ten".
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