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244020427 = 7531374801
BaseRepresentation
bin11101000101101…
…11010011001011
3122000011112002121
432202313103023
5444432123202
640114112111
76022065550
oct1642672313
9560145077
10244020427
1111581a182
126987b637
133b72aab1
14245a0a27
1516652537
hexe8b74cb

244020427 has 16 divisors (see below), whose sum is σ = 286276032. Its totient is φ = 203673600.

The previous prime is 244020421. The next prime is 244020433. The reversal of 244020427 is 724020442.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (244020421) and next prime (244020433).

It is a cyclic number.

It is not a de Polignac number, because 244020427 - 23 = 244020419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (244020421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48427 + ... + 53227.

It is an arithmetic number, because the mean of its divisors is an integer number (17892252).

Almost surely, 2244020427 is an apocalyptic number.

244020427 is a deficient number, since it is larger than the sum of its proper divisors (42255605).

244020427 is a wasteful number, since it uses less digits than its factorization.

244020427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4998.

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 244020427 is about 15621.1531904658. The cubic root of 244020427 is about 624.8974142028.

Adding to 244020427 its reverse (724020442), we get a palindrome (968040869).

The spelling of 244020427 in words is "two hundred forty-four million, twenty thousand, four hundred twenty-seven".

Divisors: 1 7 53 137 371 959 4801 7261 33607 50827 254453 657737 1781171 4604159 34860061 244020427