Base | Representation |
---|---|
bin | 1000011101010001… |
… | …0011101011000101 |
3 | 12212012212112021020 |
4 | 2013110103223011 |
5 | 14122140410441 |
6 | 1013135141353 |
7 | 110154533505 |
oct | 20724235305 |
9 | 5765775236 |
10 | 2270247621 |
11 | a6554a704 |
12 | 534374859 |
13 | 2a2458ab5 |
14 | 177725a05 |
15 | d4495e66 |
hex | 87513ac5 |
2270247621 has 8 divisors (see below), whose sum is σ = 3027281664. Its totient is φ = 1513356000.
The previous prime is 2270247619. The next prime is 2270247641. The reversal of 2270247621 is 1267420722.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2270247621 - 21 = 2270247619 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2270247611) 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, 9900 + ... + 68106.
It is an arithmetic number, because the mean of its divisors is an integer number (378410208).
Almost surely, 22270247621 is an apocalyptic number.
It is an amenable number.
2270247621 is a deficient number, since it is larger than the sum of its proper divisors (757034043).
2270247621 is a wasteful number, since it uses less digits than its factorization.
2270247621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71211.
The product of its (nonzero) digits is 18816, while the sum is 33.
The square root of 2270247621 is about 47647.1155580272. The cubic root of 2270247621 is about 1314.2896153920.
The spelling of 2270247621 in words is "two billion, two hundred seventy million, two hundred forty-seven thousand, six hundred twenty-one".
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