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2625530 = 25262553
BaseRepresentation
bin1010000000111111111010
311221101112212
422000333322
51133004110
6132135122
731213415
oct12007772
94841485
102625530
111533666
12a674a2
1370c08b
144c4b7c
1536ce05
hex280ffa

2625530 has 8 divisors (see below), whose sum is σ = 4725972. Its totient is φ = 1050208.

The previous prime is 2625523. The next prime is 2625533. The reversal of 2625530 is 355262.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2531281 + 94249 = 1591^2 + 307^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 2625496 and 2625505.

It is not an unprimeable number, because it can be changed into a prime (2625533) 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, 131267 + ... + 131286.

22625530 is an apocalyptic number.

2625530 is a deficient number, since it is larger than the sum of its proper divisors (2100442).

2625530 is a wasteful number, since it uses less digits than its factorization.

2625530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262560.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2625530 is about 1620.3487278978. The cubic root of 2625530 is about 137.9554921931.

The spelling of 2625530 in words is "two million, six hundred twenty-five thousand, five hundred thirty".

Divisors: 1 2 5 10 262553 525106 1312765 2625530