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424315031 = 760616433
BaseRepresentation
bin11001010010101…
…000100010010111
31002120102102210112
4121102220202113
51332111040111
6110034313235
713341422030
oct3122504227
91076372715
10424315031
111a8573188
12ba12881b
1369ba5aaa
14404d3a87
15273b7e8b
hex194a8897

424315031 has 4 divisors (see below), whose sum is σ = 484931472. Its totient is φ = 363698592.

The previous prime is 424314997. The next prime is 424315033. The reversal of 424315031 is 130513424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-424315031 is a prime.

It is a super-2 number, since 2×4243150312 = 360086491065061922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424314988 and 424315006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424315033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30308210 + ... + 30308223.

It is an arithmetic number, because the mean of its divisors is an integer number (121232868).

Almost surely, 2424315031 is an apocalyptic number.

424315031 is a deficient number, since it is larger than the sum of its proper divisors (60616441).

424315031 is an equidigital number, since it uses as much as digits as its factorization.

424315031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60616440.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 424315031 is about 20598.9084905002. The cubic root of 424315031 is about 751.4431655461.

Adding to 424315031 its reverse (130513424), we get a palindrome (554828455).

The spelling of 424315031 in words is "four hundred twenty-four million, three hundred fifteen thousand, thirty-one".

Divisors: 1 7 60616433 424315031