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531403130 = 2567793139
BaseRepresentation
bin11111101011001…
…001000101111010
31101000221002001102
4133223021011322
52042014400010
6124421451402
716111565156
oct3753110572
91330832042
10531403130
11252a66045
12129b70b62
138612b92b
145080c066
15319bcba5
hex1fac917a

531403130 has 16 divisors (see below), whose sum is σ = 970803360. Its totient is φ = 209388432.

The previous prime is 531403129. The next prime is 531403133. The reversal of 531403130 is 31304135.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (531403133) 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 7 ways as a sum of consecutive naturals, for example, 395900 + ... + 397239.

It is an arithmetic number, because the mean of its divisors is an integer number (60675210).

Almost surely, 2531403130 is an apocalyptic number.

531403130 is a deficient number, since it is larger than the sum of its proper divisors (439400230).

531403130 is a wasteful number, since it uses less digits than its factorization.

531403130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793213.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 531403130 is about 23052.1827599904. The cubic root of 531403130 is about 809.9807595897.

Adding to 531403130 its reverse (31304135), we get a palindrome (562707265).

The spelling of 531403130 in words is "five hundred thirty-one million, four hundred three thousand, one hundred thirty".

Divisors: 1 2 5 10 67 134 335 670 793139 1586278 3965695 7931390 53140313 106280626 265701565 531403130