Base | Representation |
---|---|
bin | 111011101001… |
… | …1010001110001 |
3 | 2011211212222220 |
4 | 1313103101301 |
5 | 31001232342 |
6 | 3034151253 |
7 | 526553061 |
oct | 167232161 |
9 | 64755886 |
10 | 31274097 |
11 | 16720768 |
12 | a582529 |
13 | 662cbaa |
14 | 42213a1 |
15 | 2b2b5ec |
hex | 1dd3471 |
31274097 has 4 divisors (see below), whose sum is σ = 41698800. Its totient is φ = 20849396.
The previous prime is 31274053. The next prime is 31274099. The reversal of 31274097 is 79047213.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 31274097 - 28 = 31273841 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31274099) 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, 5212347 + ... + 5212352.
It is an arithmetic number, because the mean of its divisors is an integer number (10424700).
Almost surely, 231274097 is an apocalyptic number.
It is an amenable number.
31274097 is a deficient number, since it is larger than the sum of its proper divisors (10424703).
31274097 is a wasteful number, since it uses less digits than its factorization.
31274097 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10424702.
The product of its (nonzero) digits is 10584, while the sum is 33.
The square root of 31274097 is about 5592.3248296214. The cubic root of 31274097 is about 315.0612025197.
The spelling of 31274097 in words is "thirty-one million, two hundred seventy-four thousand, ninety-seven".
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