Base | Representation |
---|---|
bin | 1101001000001010… |
… | …00111000100100001 |
3 | 200012011121211110101 |
4 | 12210011013010201 |
5 | 103413212123101 |
6 | 3123202102401 |
7 | 336436026400 |
oct | 64405070441 |
9 | 20164554411 |
10 | 7047770401 |
11 | 2a97312241 |
12 | 144834aa01 |
13 | 884190559 |
14 | 4ac033637 |
15 | 2b3b03401 |
hex | 1a4147121 |
7047770401 has 27 divisors (see below), whose sum is σ = 8369372529. Its totient is φ = 5917538088.
The previous prime is 7047770363. The next prime is 7047770407. The reversal of 7047770401 is 1040777407.
The square root of 7047770401 is 83951.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 7047770401 - 217 = 7047639329 is a prime.
It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (7047770407) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 39372930 + ... + 39373108.
Almost surely, 27047770401 is an apocalyptic number.
7047770401 is the 83951-st square number.
7047770401 is the 41976-th centered octagonal number.
It is an amenable number.
7047770401 is a deficient number, since it is larger than the sum of its proper divisors (1321602128).
7047770401 is an frugal number, since it uses more digits than its factorization.
7047770401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 506 (or 253 counting only the distinct ones).
The product of its (nonzero) digits is 38416, while the sum is 37.
The cubic root of 7047770401 is about 1917.2728209320.
Multiplying 7047770401 by its product of nonzero digits (38416), we get a square (270747147724816 = 164543962).
The spelling of 7047770401 in words is "seven billion, forty-seven million, seven hundred seventy thousand, four hundred one".
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