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869164848 = 2432172343359
BaseRepresentation
bin110011110011100…
…110011100110000
32020120111011000200
4303303212130300
53240001233343
6222125115200
730352531206
oct6363463460
92216434020
10869164848
11406691462
122030b8b00
1310b0bb536
1483611076
155148a4d3
hex33ce6730

869164848 has 240 divisors, whose sum is σ = 2757680640. Its totient is φ = 254048256.

The previous prime is 869164841. The next prime is 869164867. The reversal of 869164848 is 848461968.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 869164794 and 869164803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869164841) 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, 2420893 + ... + 2421251.

It is an arithmetic number, because the mean of its divisors is an integer number (11490336).

Almost surely, 2869164848 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 869164848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378840320).

869164848 is an abundant number, since it is smaller than the sum of its proper divisors (1888515792).

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

869164848 is a wasteful number, since it uses less digits than its factorization.

869164848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 447 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 869164848 is about 29481.6018560729. The cubic root of 869164848 is about 954.3347058098.

The spelling of 869164848 in words is "eight hundred sixty-nine million, one hundred sixty-four thousand, eight hundred forty-eight".