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244201243 = 111317219311
BaseRepresentation
bin11101000111000…
…11011100011011
3122000111201010111
432203203130123
51000003414433
640122025151
76023450656
oct1643433433
9560451114
10244201243
11115933010
12699481b7
133b7921a0
142460a89d
151668adcd
hexe8e371b

244201243 has 48 divisors (see below), whose sum is σ = 321834240. Its totient is φ = 182131200.

The previous prime is 244201231. The next prime is 244201247. The reversal of 244201243 is 342102442.

It is a happy number.

It is not a de Polignac number, because 244201243 - 25 = 244201211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (244201247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 785058 + ... + 785368.

It is an arithmetic number, because the mean of its divisors is an integer number (6704880).

Almost surely, 2244201243 is an apocalyptic number.

244201243 is a deficient number, since it is larger than the sum of its proper divisors (77632997).

244201243 is a wasteful number, since it uses less digits than its factorization.

244201243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 244201243 is about 15626.9396556076. The cubic root of 244201243 is about 625.0517230794.

Adding to 244201243 its reverse (342102442), we get a palindrome (586303685).

The spelling of 244201243 in words is "two hundred forty-four million, two hundred one thousand, two hundred forty-three".

Divisors: 1 11 13 17 19 143 187 209 221 247 289 311 323 2431 2717 3179 3421 3553 3757 4043 4199 5287 5491 5909 41327 44473 46189 58157 60401 64999 68731 71383 76817 89879 100453 756041 785213 844987 988669 1104983 1168427 1305889 1707701 12852697 14364779 18784711 22200113 244201243