Base | Representation |
---|---|
bin | 100001000010110… |
… | …011000010000000 |
3 | 1102122011111100221 |
4 | 201002303002000 |
5 | 2113410201230 |
6 | 131002152424 |
7 | 16511110264 |
oct | 4102630200 |
9 | 1378144327 |
10 | 554381440 |
11 | 264a2aa88 |
12 | 1357b2714 |
13 | 8ab15872 |
14 | 538b00a4 |
15 | 33a0b27a |
hex | 210b3080 |
554381440 has 32 divisors (see below), whose sum is σ = 1325319660. Its totient is φ = 221752320.
The previous prime is 554381423. The next prime is 554381453. The reversal of 554381440 is 44183455.
It can be written as a sum of positive squares in 2 ways, for example, as 554319936 + 61504 = 23544^2 + 248^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is a junction number, because it is equal to n+sod(n) for n = 554381396 and 554381405.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432471 + ... + 433750.
Almost surely, 2554381440 is an apocalyptic number.
It is an amenable number.
554381440 is an abundant number, since it is smaller than the sum of its proper divisors (770938220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
554381440 is an equidigital number, since it uses as much as digits as its factorization.
554381440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 866240 (or 866228 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 34.
The square root of 554381440 is about 23545.3061139583. The cubic root of 554381440 is about 821.4911593970.
The spelling of 554381440 in words is "five hundred fifty-four million, three hundred eighty-one thousand, four hundred forty".
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