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244402401 = 3292809223
BaseRepresentation
bin11101001000101…
…00100011100001
3122000212221001210
432210110203201
51000031334101
640130220333
76025246305
oct1644244341
9560787053
10244402401
11115a60161
1269a246a9
133b832909
142465dd05
15166ca7d6
hexe9148e1

244402401 has 8 divisors (see below), whose sum is σ = 337106880. Its totient is φ = 157316432.

The previous prime is 244402391. The next prime is 244402493. The reversal of 244402401 is 104204442.

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

It is a cyclic number.

It is not a de Polignac number, because 244402401 - 25 = 244402369 is a prime.

It is a super-2 number, since 2×2444024012 = 119465067229129602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (244402201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1404525 + ... + 1404698.

It is an arithmetic number, because the mean of its divisors is an integer number (42138360).

Almost surely, 2244402401 is an apocalyptic number.

It is an amenable number.

244402401 is a deficient number, since it is larger than the sum of its proper divisors (92704479).

244402401 is a wasteful number, since it uses less digits than its factorization.

244402401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809255.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 244402401 is about 15633.3745877210. The cubic root of 244402401 is about 625.2233023948.

Adding to 244402401 its reverse (104204442), we get a palindrome (348606843).

The spelling of 244402401 in words is "two hundred forty-four million, four hundred two thousand, four hundred one".

Divisors: 1 3 29 87 2809223 8427669 81467467 244402401