Base | Representation |
---|---|
bin | 100000100001111… |
… | …111000101000111 |
3 | 1102000222111110112 |
4 | 200201333011013 |
5 | 2104204430124 |
6 | 130053543235 |
7 | 16345024310 |
oct | 4041770507 |
9 | 1360874415 |
10 | 545780039 |
11 | 260095692 |
12 | 132944b1b |
13 | 890c378c |
14 | 526b1607 |
15 | 32dac90e |
hex | 2087f147 |
545780039 has 8 divisors (see below), whose sum is σ = 623936160. Its totient is φ = 467670816.
The previous prime is 545780033. The next prime is 545780071. The reversal of 545780039 is 930087545.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 545780039 - 24 = 545780023 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 545779978 and 545780005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (545780033) 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, 18377 + ... + 37805.
It is an arithmetic number, because the mean of its divisors is an integer number (77992020).
Almost surely, 2545780039 is an apocalyptic number.
545780039 is a deficient number, since it is larger than the sum of its proper divisors (78156121).
545780039 is a wasteful number, since it uses less digits than its factorization.
545780039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23449.
The product of its (nonzero) digits is 151200, while the sum is 41.
The square root of 545780039 is about 23361.9356860685. The cubic root of 545780039 is about 817.2204315452.
The spelling of 545780039 in words is "five hundred forty-five million, seven hundred eighty thousand, thirty-nine".
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