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868723317 = 327112354503
BaseRepresentation
bin110011110001111…
…010101001110101
32020112122201100200
4303301322221311
53234343121232
6222111431113
730346012020
oct6361725165
92215581320
10868723317
1140640a760
12202b25499
1310ac95587
14835381b7
15513ee77c
hex33c7aa75

868723317 has 48 divisors (see below), whose sum is σ = 1632503808. Its totient is φ = 431655840.

The previous prime is 868723283. The next prime is 868723319. The reversal of 868723317 is 713327868.

It is not a de Polignac number, because 868723317 - 27 = 868723189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868723319) 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, 11313 + ... + 43190.

It is an arithmetic number, because the mean of its divisors is an integer number (34010496).

Almost surely, 2868723317 is an apocalyptic number.

It is an amenable number.

868723317 is a deficient number, since it is larger than the sum of its proper divisors (763780491).

868723317 is a wasteful number, since it uses less digits than its factorization.

868723317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54550 (or 54547 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 868723317 is about 29474.1126583991. The cubic root of 868723317 is about 954.1730794973.

The spelling of 868723317 in words is "eight hundred sixty-eight million, seven hundred twenty-three thousand, three hundred seventeen".

Divisors: 1 3 7 9 11 21 23 33 63 69 77 99 161 207 231 253 483 693 759 1449 1771 2277 5313 15939 54503 163509 381521 490527 599533 1144563 1253569 1798599 3433689 3760707 4196731 5395797 8774983 11282121 12590193 13789259 26324949 37770579 41367777 78974847 96524813 124103331 289574439 868723317