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530253631 = 7165311437
BaseRepresentation
bin11111100110110…
…000011100111111
31100221202200020101
4133212300130333
52041221104011
6124341101531
716066036645
oct3746603477
91327680211
10530253631
11252350446
121296b78a7
1385b1865b
14505cd195
15318422c1
hex1f9b073f

530253631 has 8 divisors (see below), whose sum is σ = 538592544. Its totient is φ = 521939040.

The previous prime is 530253583. The next prime is 530253643. The reversal of 530253631 is 136352035.

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 530253631 - 211 = 530251583 is a prime.

It is a super-2 number, since 2×5302536312 = 562337826377368322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 530253631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530263631) 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 7 ways as a sum of consecutive naturals, for example, 40645 + ... + 52081.

It is an arithmetic number, because the mean of its divisors is an integer number (67324068).

Almost surely, 2530253631 is an apocalyptic number.

530253631 is a deficient number, since it is larger than the sum of its proper divisors (8338913).

530253631 is a wasteful number, since it uses less digits than its factorization.

530253631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12161.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 530253631 is about 23027.2367208921. The cubic root of 530253631 is about 809.3963042270.

The spelling of 530253631 in words is "five hundred thirty million, two hundred fifty-three thousand, six hundred thirty-one".

Divisors: 1 71 653 11437 46363 812027 7468361 530253631