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530445105 = 3455979281
BaseRepresentation
bin11111100111011…
…111001100110001
31100222010101220000
4133213133030301
52041243220410
6124345140213
716100465121
oct3747371461
91328111800
10530445105
11252471293
1212978a669
1385b84858
145063cc81
153187ddc0
hex1f9df331

530445105 has 80 divisors (see below), whose sum is σ = 982713600. Its totient is φ = 273611520.

The previous prime is 530445053. The next prime is 530445107. The reversal of 530445105 is 501544035.

It is not a de Polignac number, because 530445105 - 213 = 530436913 is a prime.

It is a super-2 number, since 2×5304451052 = 562744018836922050, which contains 22 as substring.

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 (530445107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1887565 + ... + 1887845.

It is an arithmetic number, because the mean of its divisors is an integer number (12283920).

Almost surely, 2530445105 is an apocalyptic number.

It is an amenable number.

530445105 is a deficient number, since it is larger than the sum of its proper divisors (452268495).

530445105 is a wasteful number, since it uses less digits than its factorization.

530445105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 530445105 is about 23031.3939005002. The cubic root of 530445105 is about 809.4937165397.

The spelling of 530445105 in words is "five hundred thirty million, four hundred forty-five thousand, one hundred five".

Divisors: 1 3 5 9 15 27 45 59 79 81 135 177 237 281 295 395 405 531 711 843 885 1185 1405 1593 2133 2529 2655 3555 4215 4661 4779 6399 7587 7965 10665 12645 13983 16579 22199 22761 23305 23895 31995 37935 41949 49737 66597 69915 82895 110995 113805 125847 149211 199791 209745 248685 332985 377541 447633 599373 629235 746055 998955 1309741 1342899 1798119 1887705 2238165 2996865 3929223 6548705 6714495 8990595 11787669 19646115 35363007 58938345 106089021 176815035 530445105