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868893792 = 253133137607
BaseRepresentation
bin110011110010100…
…100010001100000
32020112222101012120
4303302210101200
53234414100132
6222115224240
730350322024
oct6362442140
92215871176
10868893792
11406516848
12202ba8080
1310b025050
1483580384
155143502c
hex33ca4460

868893792 has 192 divisors, whose sum is σ = 2608349184. Its totient is φ = 251320320.

The previous prime is 868893791. The next prime is 868893797. The reversal of 868893792 is 297398868.

It is a super-2 number, since 2×8688937922 = 1509952843552278528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868893791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1431153 + ... + 1431759.

It is an arithmetic number, because the mean of its divisors is an integer number (13585152).

Almost surely, 2868893792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 868893792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1304174592).

868893792 is an abundant number, since it is smaller than the sum of its proper divisors (1739455392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

868893792 is a wasteful number, since it uses less digits than its factorization.

868893792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 693 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 60.

The square root of 868893792 is about 29477.0044611049. The cubic root of 868893792 is about 954.2354898619.

The spelling of 868893792 in words is "eight hundred sixty-eight million, eight hundred ninety-three thousand, seven hundred ninety-two".