Base | Representation |
---|---|
bin | 1000010101101… |
… | …01100100111000 |
3 | 11212121211000120 |
4 | 10022311210320 |
5 | 120401343002 |
6 | 10535133240 |
7 | 1506364065 |
oct | 412654470 |
9 | 155554016 |
10 | 69949752 |
11 | 36537314 |
12 | 1b514220 |
13 | 116519b2 |
14 | 940bc6c |
15 | 621acbc |
hex | 42b5938 |
69949752 has 32 divisors (see below), whose sum is σ = 176515200. Its totient is φ = 23097824.
The previous prime is 69949741. The next prime is 69949753. The reversal of 69949752 is 25794996.
It is a junction number, because it is equal to n+sod(n) for n = 69949695 and 69949704.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69949753) 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, 11052 + ... + 16187.
It is an arithmetic number, because the mean of its divisors is an integer number (5516100).
Almost surely, 269949752 is an apocalyptic number.
It is an amenable number.
69949752 is an abundant number, since it is smaller than the sum of its proper divisors (106565448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69949752 is a wasteful number, since it uses less digits than its factorization.
69949752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27355 (or 27351 counting only the distinct ones).
The product of its digits is 1224720, while the sum is 51.
The square root of 69949752 is about 8363.5968338987. The cubic root of 69949752 is about 412.0298938312.
The spelling of 69949752 in words is "sixty-nine million, nine hundred forty-nine thousand, seven hundred fifty-two".
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