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25300801 = 9722689
BaseRepresentation
bin110000010000…
…0111101000001
31202121102011201
41200200331001
522434111201
62302141201
7425024161
oct140407501
952542151
1025300801
1113310959
128581801
13531b0b6
1435085a1
15234b801
hex1820f41

25300801 has 6 divisors (see below), whose sum is σ = 25573830. Its totient is φ = 25030656.

The previous prime is 25300703. The next prime is 25300823. The reversal of 25300801 is 10800352.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 50176 + 25250625 = 224^2 + 5025^2 .

It is not a de Polignac number, because 25300801 - 211 = 25298753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25300841) 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, 8065 + ... + 10753.

It is an arithmetic number, because the mean of its divisors is an integer number (4262305).

Almost surely, 225300801 is an apocalyptic number.

25300801 is the 2689-th nonagonal number.

It is an amenable number.

25300801 is a deficient number, since it is larger than the sum of its proper divisors (273029).

25300801 is an frugal number, since it uses more digits than its factorization.

25300801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883 (or 2786 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 25300801 is about 5029.9901590361. The cubic root of 25300801 is about 293.5698315130.

The spelling of 25300801 in words is "twenty-five million, three hundred thousand, eight hundred one".

Divisors: 1 97 2689 9409 260833 25300801