Base | Representation |
---|---|
bin | 1000010111101111… |
… | …0011101100110001 |
3 | 12210121012212100110 |
4 | 2011323303230301 |
5 | 14100221013420 |
6 | 1010550011533 |
7 | 106453410210 |
oct | 20573635461 |
9 | 5717185313 |
10 | 2247047985 |
11 | a53444456 |
12 | 528646ba9 |
13 | 29a6c51c0 |
14 | 174607077 |
15 | d2411ee0 |
hex | 85ef3b31 |
2247047985 has 32 divisors (see below), whose sum is σ = 4424958720. Its totient is φ = 948204288.
The previous prime is 2247047983. The next prime is 2247047993. The reversal of 2247047985 is 5897407422.
It is not a de Polignac number, because 2247047985 - 21 = 2247047983 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2247047983) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 821730 + ... + 824459.
It is an arithmetic number, because the mean of its divisors is an integer number (138279960).
Almost surely, 22247047985 is an apocalyptic number.
It is an amenable number.
2247047985 is a deficient number, since it is larger than the sum of its proper divisors (2177910735).
2247047985 is a wasteful number, since it uses less digits than its factorization.
2247047985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1646217.
The product of its (nonzero) digits is 1128960, while the sum is 48.
The square root of 2247047985 is about 47403.0377191167. The cubic root of 2247047985 is about 1309.7973746002.
The spelling of 2247047985 in words is "two billion, two hundred forty-seven million, forty-seven thousand, nine hundred eighty-five".
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