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43230625 = 542632
BaseRepresentation
bin1010010011101…
…0010110100001
310000100100021021
42210322112201
542031340000
64142325441
71033311544
oct244722641
9100310237
1043230625
1122447899
1212589881
138c58169
145a5485b
153bde11a
hex293a5a1

43230625 has 15 divisors (see below), whose sum is σ = 54227173. Its totient is φ = 34453000.

The previous prime is 43230623. The next prime is 43230631. The reversal of 43230625 is 52603234.

It is a happy number.

The square root of 43230625 is 6575.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 3389281 + 39841344 = 1841^2 + 6312^2 .

It is not a de Polignac number, because 43230625 - 21 = 43230623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 43230625.

It is not an unprimeable number, because it can be changed into a prime (43230623) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 164244 + ... + 164506.

Almost surely, 243230625 is an apocalyptic number.

43230625 is the 6575-th square number.

43230625 is the 3288-th centered octagonal number.

It is an amenable number.

43230625 is a deficient number, since it is larger than the sum of its proper divisors (10996548).

43230625 is an frugal number, since it uses more digits than its factorization.

43230625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 268 counting only the distinct ones).

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

The cubic root of 43230625 is about 350.9650238550.

Multiplying 43230625 by its sum of digits (25), we get a square (1080765625 = 328752).

43230625 divided by its sum of digits (25) gives a square (1729225 = 13152).

Adding to 43230625 its reverse (52603234), we get a palindrome (95833859).

The spelling of 43230625 in words is "forty-three million, two hundred thirty thousand, six hundred twenty-five".

Divisors: 1 5 25 125 263 625 1315 6575 32875 69169 164375 345845 1729225 8646125 43230625