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430625 = 541353
BaseRepresentation
bin1101001001000100001
3210212201002
41221020201
5102240000
613121345
73442316
oct1511041
9725632
10430625
11274598
12189255
13121010
14b2d0d
15878d5
hex69221

430625 has 20 divisors (see below), whose sum is σ = 590436. Its totient is φ = 312000.

The previous prime is 430603. The next prime is 430649. The reversal of 430625 is 526034.

430625 is an esthetic number in base 13, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 10 ways, for example, as 358801 + 71824 = 599^2 + 268^2 .

It is not a de Polignac number, because 430625 - 214 = 414241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 430597 and 430606.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 430625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8099 + ... + 8151.

2430625 is an apocalyptic number.

It is an amenable number.

430625 is a deficient number, since it is larger than the sum of its proper divisors (159811).

430625 is an equidigital number, since it uses as much as digits as its factorization.

430625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 430625 is about 656.2202374203. The cubic root of 430625 is about 75.5149744431.

Adding to 430625 its reverse (526034), we get a palindrome (956659).

It can be divided in two parts, 4 and 30625, that multiplied together give a square (122500 = 3502).

The spelling of 430625 in words is "four hundred thirty thousand, six hundred twenty-five".

Divisors: 1 5 13 25 53 65 125 265 325 625 689 1325 1625 3445 6625 8125 17225 33125 86125 430625