Search a number
-
+
2575229 = 2988801
BaseRepresentation
bin1001110100101101111101
311211211112212
421310231331
51124401404
6131110205
730613646
oct11645575
94754485
102575229
1114a9898
12a42365
136c2207
144b06cd
1535d06e
hex274b7d

2575229 has 4 divisors (see below), whose sum is σ = 2664060. Its totient is φ = 2486400.

The previous prime is 2575219. The next prime is 2575231. The reversal of 2575229 is 9225752.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 487204 + 2088025 = 698^2 + 1445^2 .

It is a cyclic number.

It is not a de Polignac number, because 2575229 - 220 = 1526653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2575195 and 2575204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2575219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44372 + ... + 44429.

It is an arithmetic number, because the mean of its divisors is an integer number (666015).

22575229 is an apocalyptic number.

2575229 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2575229 is a deficient number, since it is larger than the sum of its proper divisors (88831).

2575229 is an equidigital number, since it uses as much as digits as its factorization.

2575229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88830.

The product of its digits is 12600, while the sum is 32.

The square root of 2575229 is about 1604.7520057629. The cubic root of 2575229 is about 137.0688023531.

The spelling of 2575229 in words is "two million, five hundred seventy-five thousand, two hundred twenty-nine".

Divisors: 1 29 88801 2575229