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3612025 = 52144481
BaseRepresentation
bin1101110001110101111001
320210111202201
431301311321
51411041100
6205230201
742462454
oct15616571
96714681
103612025
11204784a
121262361
139960c1
146a049b
154b536a
hex371d79

3612025 has 6 divisors (see below), whose sum is σ = 4478942. Its totient is φ = 2889600.

The previous prime is 3612023. The next prime is 3612029. The reversal of 3612025 is 5202163.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1218816 + 2393209 = 1104^2 + 1547^2 .

It is not a de Polignac number, because 3612025 - 21 = 3612023 is a prime.

It is a Duffinian number.

3612025 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3611993 and 3612011.

It is not an unprimeable number, because it can be changed into a prime (3612023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72216 + ... + 72265.

Almost surely, 23612025 is an apocalyptic number.

It is an amenable number.

3612025 is a deficient number, since it is larger than the sum of its proper divisors (866917).

3612025 is a wasteful number, since it uses less digits than its factorization.

3612025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144491 (or 144486 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 3612025 is about 1900.5328200271. The cubic root of 3612025 is about 153.4323425870.

Adding to 3612025 its reverse (5202163), we get a palindrome (8814188).

It can be divided in two parts, 361 and 2025, that multiplied together give a square (731025 = 8552).

The spelling of 3612025 in words is "three million, six hundred twelve thousand, twenty-five".

Divisors: 1 5 25 144481 722405 3612025