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530801057 = 1417737441
BaseRepresentation
bin11111101000110…
…110000110100001
31100222210111011102
4133220312012201
52041341113212
6124400524145
716103506643
oct3750660641
91328714142
10530801057
11252694766
12129920655
1385c7a887
14506d2893
15318ee5c2
hex1fa361a1

530801057 has 4 divisors (see below), whose sum is σ = 530852676. Its totient is φ = 530749440.

The previous prime is 530801053. The next prime is 530801069. The reversal of 530801057 is 750108035.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 446730496 + 84070561 = 21136^2 + 9169^2 .

It is a cyclic number.

It is not a de Polignac number, because 530801057 - 22 = 530801053 is a prime.

It is a super-4 number, since 4×5308010574 (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530801053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4544 + ... + 32897.

It is an arithmetic number, because the mean of its divisors is an integer number (132713169).

Almost surely, 2530801057 is an apocalyptic number.

It is an amenable number.

530801057 is a deficient number, since it is larger than the sum of its proper divisors (51619).

530801057 is a wasteful number, since it uses less digits than its factorization.

530801057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51618.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 530801057 is about 23039.1201437902. The cubic root of 530801057 is about 809.6747446844.

The spelling of 530801057 in words is "five hundred thirty million, eight hundred one thousand, fifty-seven".

Divisors: 1 14177 37441 530801057