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242671317 = 3731438669
BaseRepresentation
bin11100111011011…
…01111011010101
3121220121222110120
432131231323111
5444110440232
640025142153
76004446360
oct1635557325
9556558416
10242671317
11114a88609
126932a959
133b3779c5
142432d0d7
151648792c
hexe76ded5

242671317 has 32 divisors (see below), whose sum is σ = 390635520. Its totient is φ = 131060160.

The previous prime is 242671313. The next prime is 242671337. The reversal of 242671317 is 713176242.

It is not a de Polignac number, because 242671317 - 22 = 242671313 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242671313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23659 + ... + 32327.

It is an arithmetic number, because the mean of its divisors is an integer number (12207360).

Almost surely, 2242671317 is an apocalyptic number.

It is an amenable number.

242671317 is a deficient number, since it is larger than the sum of its proper divisors (147964203).

242671317 is a wasteful number, since it uses less digits than its factorization.

242671317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8753.

The product of its digits is 14112, while the sum is 33.

The square root of 242671317 is about 15577.9111886029. The cubic root of 242671317 is about 623.7436668018.

The spelling of 242671317 in words is "two hundred forty-two million, six hundred seventy-one thousand, three hundred seventeen".

Divisors: 1 3 7 21 31 43 93 129 217 301 651 903 1333 3999 8669 9331 26007 27993 60683 182049 268739 372767 806217 1118301 1881173 2609369 5643519 7828107 11555777 34667331 80890439 242671317