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340425 = 32521789
BaseRepresentation
bin1010011000111001001
3122021222100
41103013021
541343200
611144013
72615331
oct1230711
9567870
10340425
11212848
12145009
13bbc47
148c0c1
156ad00
hex531c9

340425 has 36 divisors (see below), whose sum is σ = 652860. Its totient is φ = 168960.

The previous prime is 340409. The next prime is 340429. The reversal of 340425 is 524043.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 8649 + 331776 = 93^2 + 576^2 .

It is not a de Polignac number, because 340425 - 24 = 340409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340398 and 340407.

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 340425.

It is not an unprimeable number, because it can be changed into a prime (340429) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3781 + ... + 3869.

It is an arithmetic number, because the mean of its divisors is an integer number (18135).

2340425 is an apocalyptic number.

It is an amenable number.

340425 is a deficient number, since it is larger than the sum of its proper divisors (312435).

340425 is a wasteful number, since it uses less digits than its factorization.

340425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 340425 is about 583.4595101633. The cubic root of 340425 is about 69.8243897438.

Adding to 340425 its reverse (524043), we get a palindrome (864468).

The spelling of 340425 in words is "three hundred forty thousand, four hundred twenty-five".

Divisors: 1 3 5 9 15 17 25 45 51 75 85 89 153 225 255 267 425 445 765 801 1275 1335 1513 2225 3825 4005 4539 6675 7565 13617 20025 22695 37825 68085 113475 340425