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868832020 = 22576205943
BaseRepresentation
bin110011110010010…
…101001100010100
32020112212020110201
4303302111030110
53234410111040
6222114030244
730346643650
oct6362251424
92215766421
10868832020
114064843a1
12202b78384
1310b002bb4
1483565a60
1551421a9a
hex33c95314

868832020 has 24 divisors (see below), whose sum is σ = 2085197184. Its totient is φ = 297885216.

The previous prime is 868832017. The next prime is 868832023. The reversal of 868832020 is 20238868.

It is an interprime number because it is at equal distance from previous prime (868832017) and next prime (868832023).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868832023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3102832 + ... + 3103111.

It is an arithmetic number, because the mean of its divisors is an integer number (86883216).

Almost surely, 2868832020 is an apocalyptic number.

It is an amenable number.

868832020 is an abundant number, since it is smaller than the sum of its proper divisors (1216365164).

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

868832020 is a wasteful number, since it uses less digits than its factorization.

868832020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6205959 (or 6205957 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 868832020 is about 29475.9566426605. The cubic root of 868832020 is about 954.2128762689.

The spelling of 868832020 in words is "eight hundred sixty-eight million, eight hundred thirty-two thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 6205943 12411886 24823772 31029715 43441601 62059430 86883202 124118860 173766404 217208005 434416010 868832020