Base | Representation |
---|---|
bin | 110011110110100… |
… | …011011001000000 |
3 | 2020121221110121210 |
4 | 303312203121000 |
5 | 3240201020002 |
6 | 222153450120 |
7 | 30362233404 |
oct | 6366433100 |
9 | 2217843553 |
10 | 869938752 |
11 | 40706a951 |
12 | 203410940 |
13 | 10b2cc877 |
14 | 83773104 |
15 | 5158e96c |
hex | 33da3640 |
869938752 has 112 divisors (see below), whose sum is σ = 2484973440. Its totient is φ = 267767808.
The previous prime is 869938717. The next prime is 869938759. The reversal of 869938752 is 257839968.
It is a junction number, because it is equal to n+sod(n) for n = 869938692 and 869938701.
It is not an unprimeable number, because it can be changed into a prime (869938759) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124668 + ... + 131460.
Almost surely, 2869938752 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 869938752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1242486720).
869938752 is an abundant number, since it is smaller than the sum of its proper divisors (1615034688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
869938752 is a wasteful number, since it uses less digits than its factorization.
869938752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6860 (or 6850 counting only the distinct ones).
The product of its digits is 6531840, while the sum is 57.
The square root of 869938752 is about 29494.7241383946. The cubic root of 869938752 is about 954.6178681853.
The spelling of 869938752 in words is "eight hundred sixty-nine million, nine hundred thirty-eight thousand, seven hundred fifty-two".
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