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531230434 = 2737945031
BaseRepresentation
bin11111101010011…
…110111011100010
31101000121022011021
4133222132323202
52041443333214
6124414040054
716110245530
oct3752367342
91330538137
10531230434
11252958319
12129aa902a
138609b147
14507a5150
1531986924
hex1fa9eee2

531230434 has 8 divisors (see below), whose sum is σ = 910680768. Its totient is φ = 227670180.

The previous prime is 531230429. The next prime is 531230489. The reversal of 531230434 is 434032135.

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

It is a junction number, because it is equal to n+sod(n) for n = 531230399 and 531230408.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18972502 + ... + 18972529.

It is an arithmetic number, because the mean of its divisors is an integer number (113835096).

Almost surely, 2531230434 is an apocalyptic number.

531230434 is a deficient number, since it is larger than the sum of its proper divisors (379450334).

531230434 is a wasteful number, since it uses less digits than its factorization.

531230434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37945040.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 531230434 is about 23048.4366931903. The cubic root of 531230434 is about 809.8930072570.

Adding to 531230434 its reverse (434032135), we get a palindrome (965262569).

The spelling of 531230434 in words is "five hundred thirty-one million, two hundred thirty thousand, four hundred thirty-four".

Divisors: 1 2 7 14 37945031 75890062 265615217 531230434