Base | Representation |
---|---|
bin | 1101011101010010… |
… | …00111100010000000 |
3 | 200122112002002120022 |
4 | 12232221013202000 |
5 | 104244043403012 |
6 | 3152532233012 |
7 | 344020221251 |
oct | 65651074200 |
9 | 20575062508 |
10 | 7224981632 |
11 | 307834a700 |
12 | 149776b768 |
13 | 8b1ac8c7b |
14 | 4c77a2b28 |
15 | 2c445a472 |
hex | 1aea47880 |
7224981632 has 72 divisors (see below), whose sum is σ = 15844172295. Its totient is φ = 3279274240.
The previous prime is 7224981563. The next prime is 7224981707. The reversal of 7224981632 is 2361894227.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 3612490816 + 3612490816 = 60104^2 + 60104^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=60104.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10577963 + ... + 10578645.
Almost surely, 27224981632 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7224981632
7224981632 is an abundant number, since it is smaller than the sum of its proper divisors (8619190663).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7224981632 is an frugal number, since it uses more digits than its factorization.
7224981632 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1402 (or 696 counting only the distinct ones).
The product of its digits is 290304, while the sum is 44.
The square root of 7224981632 is about 84999.8919528725. The cubic root of 7224981632 is about 1933.2094783386.
The spelling of 7224981632 in words is "seven billion, two hundred twenty-four million, nine hundred eighty-one thousand, six hundred thirty-two".
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