Base | Representation |
---|---|
bin | 1000010100010… |
… | …01100010000000 |
3 | 11212021122112210 |
4 | 10022021202000 |
5 | 120330104334 |
6 | 10531222120 |
7 | 1505013111 |
oct | 412114200 |
9 | 155248483 |
10 | 69769344 |
11 | 36423817 |
12 | 1b447940 |
13 | 115ba848 |
14 | 93a2208 |
15 | 61d25e9 |
hex | 4289880 |
69769344 has 64 divisors (see below), whose sum is σ = 191335680. Its totient is φ = 22502400.
The previous prime is 69769339. The next prime is 69769361. The reversal of 69769344 is 44396796.
It is a tau number, because it is divible by the number of its divisors (64).
It is a super-2 number, since 2×697693442 = 9735522724380672, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 69769293 and 69769302.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8974 + ... + 14834.
It is an arithmetic number, because the mean of its divisors is an integer number (2989620).
Almost surely, 269769344 is an apocalyptic number.
69769344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69769344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95667840).
69769344 is an abundant number, since it is smaller than the sum of its proper divisors (121566336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69769344 is a wasteful number, since it uses less digits than its factorization.
69769344 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5909 (or 5897 counting only the distinct ones).
The product of its digits is 979776, while the sum is 48.
The square root of 69769344 is about 8352.8045589490. The cubic root of 69769344 is about 411.6753656001.
The spelling of 69769344 in words is "sixty-nine million, seven hundred sixty-nine thousand, three hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •