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2625401 = 19138179
BaseRepresentation
bin1010000000111101111001
311221101101002
422000331321
51133003101
6132134345
731213142
oct12007571
94841332
102625401
111533559
12a673b5
1370bcbc
144c4ac9
1536cd6b
hex280f79

2625401 has 4 divisors (see below), whose sum is σ = 2763600. Its totient is φ = 2487204.

The previous prime is 2625397. The next prime is 2625433. The reversal of 2625401 is 1045262.

It is a happy number.

2625401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2625401 - 22 = 2625397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2625481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69071 + ... + 69108.

It is an arithmetic number, because the mean of its divisors is an integer number (690900).

22625401 is an apocalyptic number.

It is an amenable number.

2625401 is a deficient number, since it is larger than the sum of its proper divisors (138199).

2625401 is a wasteful number, since it uses less digits than its factorization.

2625401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138198.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2625401 is about 1620.3089211629. The cubic root of 2625401 is about 137.9532327699.

The spelling of 2625401 in words is "two million, six hundred twenty-five thousand, four hundred one".

Divisors: 1 19 138179 2625401