Base | Representation |
---|---|
bin | 111011100111… |
… | …0011001011000 |
3 | 2011210212120102 |
4 | 1313032121120 |
5 | 31000112404 |
6 | 3033514532 |
7 | 526440560 |
oct | 167163130 |
9 | 64725512 |
10 | 31254104 |
11 | 16707742 |
12 | a572a48 |
13 | 6623a6b |
14 | 4217da0 |
15 | 2b2571e |
hex | 1dce658 |
31254104 has 16 divisors (see below), whose sum is σ = 66973200. Its totient is φ = 13394592.
The previous prime is 31254103. The next prime is 31254121. The reversal of 31254104 is 40145213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31254101) 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, 278999 + ... + 279110.
It is an arithmetic number, because the mean of its divisors is an integer number (4185825).
Almost surely, 231254104 is an apocalyptic number.
It is an amenable number.
31254104 is an abundant number, since it is smaller than the sum of its proper divisors (35719096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31254104 is a wasteful number, since it uses less digits than its factorization.
31254104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 558122 (or 558118 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 31254104 is about 5590.5370046177. The cubic root of 31254104 is about 314.9940504461.
Adding to 31254104 its reverse (40145213), we get a palindrome (71399317).
The spelling of 31254104 in words is "thirty-one million, two hundred fifty-four thousand, one hundred four".
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