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530440145 = 5234612523
BaseRepresentation
bin11111100111011…
…101111111010001
31100222010011002022
4133213131333101
52041243041040
6124345101225
716100444504
oct3747357721
91328104068
10530440145
11252468594
12129787815
1385b82511
145063b13b
153187c6b5
hex1f9ddfd1

530440145 has 8 divisors (see below), whose sum is σ = 664203456. Its totient is φ = 405901936.

The previous prime is 530440129. The next prime is 530440151. The reversal of 530440145 is 541044035.

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 530440145 - 24 = 530440129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2306147 + ... + 2306376.

It is an arithmetic number, because the mean of its divisors is an integer number (83025432).

Almost surely, 2530440145 is an apocalyptic number.

It is an amenable number.

530440145 is a deficient number, since it is larger than the sum of its proper divisors (133763311).

530440145 is a wasteful number, since it uses less digits than its factorization.

530440145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4612551.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 530440145 is about 23031.2862211384. The cubic root of 530440145 is about 809.4911934376.

The spelling of 530440145 in words is "five hundred thirty million, four hundred forty thousand, one hundred forty-five".

Divisors: 1 5 23 115 4612523 23062615 106088029 530440145