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531059369 = 1393820571
BaseRepresentation
bin11111101001110…
…101001010101001
31101000021121111112
4133221311022221
52041422344434
6124410240105
716105634021
oct3751651251
91330247445
10531059369
11252850845
12129a26035
138603b319
145075ca81
1531950dce
hex1fa752a9

531059369 has 4 divisors (see below), whose sum is σ = 534880080. Its totient is φ = 527238660.

The previous prime is 531059363. The next prime is 531059411. The reversal of 531059369 is 963950135.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-531059369 is a prime.

It is a super-2 number, since 2×5310593692 = 564048106805356322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531059363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1910147 + ... + 1910424.

It is an arithmetic number, because the mean of its divisors is an integer number (133720020).

Almost surely, 2531059369 is an apocalyptic number.

It is an amenable number.

531059369 is a deficient number, since it is larger than the sum of its proper divisors (3820711).

531059369 is a wasteful number, since it uses less digits than its factorization.

531059369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820710.

The product of its (nonzero) digits is 109350, while the sum is 41.

The square root of 531059369 is about 23044.7254051768. The cubic root of 531059369 is about 809.8060649357.

The spelling of 531059369 in words is "five hundred thirty-one million, fifty-nine thousand, three hundred sixty-nine".

Divisors: 1 139 3820571 531059369