Base | Representation |
---|---|
bin | 1000010000010… |
… | …11000101010100 |
3 | 11211022100002010 |
4 | 10020023011110 |
5 | 120212021122 |
6 | 10512144220 |
7 | 1500425106 |
oct | 410130524 |
9 | 154270063 |
10 | 69251412 |
11 | 360aa67a |
12 | 1b238070 |
13 | 11468b89 |
14 | 92a9576 |
15 | 612de0c |
hex | 420b154 |
69251412 has 24 divisors (see below), whose sum is σ = 163864512. Its totient is φ = 22758400.
The previous prime is 69251411. The next prime is 69251417. The reversal of 69251412 is 21415296.
It is a self number, because there is not a number n which added to its sum of digits gives 69251412.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69251411) 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, 39789 + ... + 41492.
It is an arithmetic number, because the mean of its divisors is an integer number (6827688).
Almost surely, 269251412 is an apocalyptic number.
It is an amenable number.
69251412 is an abundant number, since it is smaller than the sum of its proper divisors (94613100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69251412 is a wasteful number, since it uses less digits than its factorization.
69251412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81359 (or 81357 counting only the distinct ones).
The product of its digits is 4320, while the sum is 30.
The square root of 69251412 is about 8321.7433269718. The cubic root of 69251412 is about 410.6541451435.
The spelling of 69251412 in words is "sixty-nine million, two hundred fifty-one thousand, four hundred twelve".
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