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43071125 = 535872
BaseRepresentation
bin1010010001001…
…1011010010101
310000001020110212
42210103122111
542011234000
64135055205
71032045536
oct244233225
9100036425
1043071125
1122348a79
1212511505
138c00696
145a1268d
153babc35
hex2913695

43071125 has 12 divisors (see below), whose sum is σ = 53844492. Its totient is φ = 34398200.

The previous prime is 43071113. The next prime is 43071131. The reversal of 43071125 is 52117034.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 1378276 + 41692849 = 1174^2 + 6457^2 .

It is not a de Polignac number, because 43071125 - 24 = 43071109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43071125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73082 + ... + 73668.

It is an arithmetic number, because the mean of its divisors is an integer number (4487041).

Almost surely, 243071125 is an apocalyptic number.

It is an amenable number.

43071125 is a deficient number, since it is larger than the sum of its proper divisors (10773367).

43071125 is an frugal number, since it uses more digits than its factorization.

43071125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 43071125 is about 6562.8595139619. The cubic root of 43071125 is about 350.5328617957.

Adding to 43071125 its reverse (52117034), we get a palindrome (95188159).

The spelling of 43071125 in words is "forty-three million, seventy-one thousand, one hundred twenty-five".

Divisors: 1 5 25 125 587 2935 14675 73375 344569 1722845 8614225 43071125