Base | Representation |
---|---|
bin | 1011110000000100… |
… | …1010001011000100 |
3 | 22010211121011022221 |
4 | 2330001022023010 |
5 | 22430012423140 |
6 | 1241002102124 |
7 | 141112062664 |
oct | 27401121304 |
9 | 8124534287 |
10 | 3154420420 |
11 | 1379651828 |
12 | 7404aa944 |
13 | 3b36a0478 |
14 | 21cd221a4 |
15 | 136de814a |
hex | bc04a2c4 |
3154420420 has 24 divisors (see below), whose sum is σ = 6646903704. Its totient is φ = 1257459456.
The previous prime is 3154420391. The next prime is 3154420421. The reversal of 3154420420 is 240244513.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 175880644 + 2978539776 = 13262^2 + 54576^2 .
It is a super-2 number, since 2×31544204202 = 19900736372225952800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (3154420421) 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, 263289 + ... + 275008.
It is an arithmetic number, because the mean of its divisors is an integer number (276954321).
Almost surely, 23154420420 is an apocalyptic number.
It is an amenable number.
3154420420 is an abundant number, since it is smaller than the sum of its proper divisors (3492483284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3154420420 is a wasteful number, since it uses less digits than its factorization.
3154420420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 538599 (or 538597 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 25.
The square root of 3154420420 is about 56164.2272269458. The cubic root of 3154420420 is about 1466.5825901069.
Adding to 3154420420 its reverse (240244513), we get a palindrome (3394664933).
The spelling of 3154420420 in words is "three billion, one hundred fifty-four million, four hundred twenty thousand, four hundred twenty".
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