Base | Representation |
---|---|
bin | 11001011101001… |
… | …010110101000011 |
3 | 1002202121202102010 |
4 | 121131022311003 |
5 | 1333312430211 |
6 | 110213424003 |
7 | 13404044151 |
oct | 3135126503 |
9 | 1082552363 |
10 | 427076931 |
11 | 1aa08a246 |
12 | bb03b003 |
13 | 6a631c58 |
14 | 40a123d1 |
15 | 277614a6 |
hex | 1974ad43 |
427076931 has 8 divisors (see below), whose sum is σ = 569538304. Its totient is φ = 284666760.
The previous prime is 427076929. The next prime is 427076953. The reversal of 427076931 is 139670724.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 427076931 - 21 = 427076929 is a prime.
It is a super-2 number, since 2×4270769312 = 364789409984757522, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 427076931.
It is not an unprimeable number, because it can be changed into a prime (427076971) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15786 + ... + 33216.
It is an arithmetic number, because the mean of its divisors is an integer number (71192288).
Almost surely, 2427076931 is an apocalyptic number.
427076931 is a deficient number, since it is larger than the sum of its proper divisors (142461373).
427076931 is a wasteful number, since it uses less digits than its factorization.
427076931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25601.
The product of its (nonzero) digits is 63504, while the sum is 39.
The square root of 427076931 is about 20665.8397119498. The cubic root of 427076931 is about 753.0700417556.
The spelling of 427076931 in words is "four hundred twenty-seven million, seventy-six thousand, nine hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •