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3623225 = 52373917
BaseRepresentation
bin1101110100100100111001
320211002010112
431310210321
51411420400
6205354105
742540224
oct15644471
96732115
103623225
112055201
121268935
1399b228
146a45bb
154b8835
hex374939

3623225 has 12 divisors (see below), whose sum is σ = 4615404. Its totient is φ = 2819520.

The previous prime is 3623203. The next prime is 3623237. The reversal of 3623225 is 5223263.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 226576 + 3396649 = 476^2 + 1843^2 .

It is not a de Polignac number, because 3623225 - 216 = 3557689 is a prime.

It is a d-powerful number, because it can be written as 310 + 63 + 27 + 313 + 213 + 213 + 59 .

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 3623225.

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, 1034 + ... + 2883.

It is an arithmetic number, because the mean of its divisors is an integer number (384617).

Almost surely, 23623225 is an apocalyptic number.

It is an amenable number.

3623225 is a deficient number, since it is larger than the sum of its proper divisors (992179).

3623225 is a wasteful number, since it uses less digits than its factorization.

3623225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964 (or 3959 counting only the distinct ones).

The product of its digits is 2160, while the sum is 23.

The square root of 3623225 is about 1903.4770815536. The cubic root of 3623225 is about 153.5907642604.

Adding to 3623225 its reverse (5223263), we get a palindrome (8846488).

The spelling of 3623225 in words is "three million, six hundred twenty-three thousand, two hundred twenty-five".

Divisors: 1 5 25 37 185 925 3917 19585 97925 144929 724645 3623225