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531050242 = 2421630701
BaseRepresentation
bin11111101001110…
…010111100000010
31101000021010222111
4133221302330002
52041422101432
6124410125534
716105565302
oct3751627402
91330233874
10531050242
112528449a8
12129a208aa
1386037118
1450759602
153194d347
hex1fa72f02

531050242 has 8 divisors (see below), whose sum is σ = 798468732. Its totient is φ = 264894000.

The previous prime is 531050213. The next prime is 531050249. The reversal of 531050242 is 242050135.

It can be written as a sum of positive squares in 2 ways, for example, as 316163961 + 214886281 = 17781^2 + 14659^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (531050249) 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, 314509 + ... + 316192.

Almost surely, 2531050242 is an apocalyptic number.

531050242 is a deficient number, since it is larger than the sum of its proper divisors (267418490).

531050242 is a wasteful number, since it uses less digits than its factorization.

531050242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631124.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 531050242 is about 23044.5273763642. The cubic root of 531050242 is about 809.8014256915.

The spelling of 531050242 in words is "five hundred thirty-one million, fifty thousand, two hundred forty-two".

Divisors: 1 2 421 842 630701 1261402 265525121 531050242