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244623425 = 5241238657
BaseRepresentation
bin11101001010010…
…10100001000001
3122001022011020212
432211022201001
51000110422200
640135043505
76030156554
oct1645124101
9561264225
10244623425
111160a1222
1269b10595
133b8ac3b7
14246ba69b
1516721035
hexe94a841

244623425 has 12 divisors (see below), whose sum is σ = 310732716. Its totient is φ = 190924800.

The previous prime is 244623389. The next prime is 244623451. The reversal of 244623425 is 524326442.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 12609601 + 232013824 = 3551^2 + 15232^2 .

It is not a de Polignac number, because 244623425 - 26 = 244623361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 244623391 and 244623400.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 118304 + ... + 120353.

It is an arithmetic number, because the mean of its divisors is an integer number (25894393).

Almost surely, 2244623425 is an apocalyptic number.

244623425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

244623425 is a deficient number, since it is larger than the sum of its proper divisors (66109291).

244623425 is a wasteful number, since it uses less digits than its factorization.

244623425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238708 (or 238703 counting only the distinct ones).

The product of its digits is 46080, while the sum is 32.

The square root of 244623425 is about 15640.4419694585. The cubic root of 244623425 is about 625.4117180550.

Adding to 244623425 its reverse (524326442), we get a palindrome (768949867).

The spelling of 244623425 in words is "two hundred forty-four million, six hundred twenty-three thousand, four hundred twenty-five".

Divisors: 1 5 25 41 205 1025 238657 1193285 5966425 9784937 48924685 244623425