Base | Representation |
---|---|
bin | 10100101101110101110101 |
3 | 101012220110000 |
4 | 110231311311 |
5 | 2342240040 |
6 | 312221513 |
7 | 64105533 |
oct | 24556565 |
9 | 11186400 |
10 | 5430645 |
11 | 307a140 |
12 | 199a899 |
13 | 1181acc |
14 | a15153 |
15 | 724130 |
hex | 52dd75 |
5430645 has 80 divisors (see below), whose sum is σ = 11290752. Its totient is φ = 2471040.
The previous prime is 5430641. The next prime is 5430653. The reversal of 5430645 is 5460345.
It is not a de Polignac number, because 5430645 - 22 = 5430641 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5430641) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 102439 + ... + 102491.
Almost surely, 25430645 is an apocalyptic number.
5430645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
5430645 is an abundant number, since it is smaller than the sum of its proper divisors (5860107).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5430645 is a wasteful number, since it uses less digits than its factorization.
5430645 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104 (or 95 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
The square root of 5430645 is about 2330.3744334334. The cubic root of 5430645 is about 175.7723144791.
The spelling of 5430645 in words is "five million, four hundred thirty thousand, six hundred forty-five".
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