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425435013 = 32172780621
BaseRepresentation
bin11001010110111…
…001111110000101
31002122112100010100
4121112321332011
51332402410023
6110114314313
713354065213
oct3126717605
91078470110
10425435013
111a9168693
12ba588999
136a1a87c3
1440705cb3
1527539c43
hex195b9f85

425435013 has 12 divisors (see below), whose sum is σ = 650665548. Its totient is φ = 266939520.

The previous prime is 425434993. The next prime is 425435029. The reversal of 425435013 is 310534524.

It can be written as a sum of positive squares in 2 ways, for example, as 305795169 + 119639844 = 17487^2 + 10938^2 .

It is not a de Polignac number, because 425435013 - 25 = 425434981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425435033) 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 11 ways as a sum of consecutive naturals, for example, 1390158 + ... + 1390463.

It is an arithmetic number, because the mean of its divisors is an integer number (54222129).

Almost surely, 2425435013 is an apocalyptic number.

It is an amenable number.

425435013 is a deficient number, since it is larger than the sum of its proper divisors (225230535).

425435013 is a wasteful number, since it uses less digits than its factorization.

425435013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780644 (or 2780641 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 425435013 is about 20626.0760446576. The cubic root of 425435013 is about 752.1037309044.

Adding to 425435013 its reverse (310534524), we get a palindrome (735969537).

The spelling of 425435013 in words is "four hundred twenty-five million, four hundred thirty-five thousand, thirteen".

Divisors: 1 3 9 17 51 153 2780621 8341863 25025589 47270557 141811671 425435013