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530971 = 775853
BaseRepresentation
bin10000001101000011011
3222222100121
42001220123
5113442341
615214111
74341010
oct2015033
9888317
10530971
11332a21
12217337
131578ac
14db707
15a74d1
hex81a1b

530971 has 4 divisors (see below), whose sum is σ = 606832. Its totient is φ = 455112.

The previous prime is 530969. The next prime is 530977. The reversal of 530971 is 179035.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 530971 - 21 = 530969 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (530977) 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, 37920 + ... + 37933.

It is an arithmetic number, because the mean of its divisors is an integer number (151708).

2530971 is an apocalyptic number.

530971 is a deficient number, since it is larger than the sum of its proper divisors (75861).

530971 is an equidigital number, since it uses as much as digits as its factorization.

530971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75860.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 530971 is about 728.6775692993. The cubic root of 530971 is about 80.9761144835.

It can be divided in two parts, 5 and 30971, that added together give a square (30976 = 1762).

The spelling of 530971 in words is "five hundred thirty thousand, nine hundred seventy-one".

Divisors: 1 7 75853 530971