Base | Representation |
---|---|
bin | 1000010000111… |
… | …01111010100100 |
3 | 11211110020220000 |
4 | 10020131322210 |
5 | 120222003143 |
6 | 10513541300 |
7 | 1501166022 |
oct | 410357244 |
9 | 154406800 |
10 | 69328548 |
11 | 36152623 |
12 | 1b274830 |
13 | 11495013 |
14 | 92c9712 |
15 | 6146bd3 |
hex | 421dea4 |
69328548 has 30 divisors (see below), whose sum is σ = 181239366. Its totient is φ = 23109408.
The previous prime is 69328543. The next prime is 69328573. The reversal of 69328548 is 84582396.
It can be written as a sum of positive squares in only one way, i.e., 56881764 + 12446784 = 7542^2 + 3528^2 .
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (69328543) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 106665 + ... + 107312.
Almost surely, 269328548 is an apocalyptic number.
It is an amenable number.
69328548 is an abundant number, since it is smaller than the sum of its proper divisors (111910818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69328548 is a wasteful number, since it uses less digits than its factorization.
69328548 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 213993 (or 213982 counting only the distinct ones).
The product of its digits is 414720, while the sum is 45.
The square root of 69328548 is about 8326.3766429342. The cubic root of 69328548 is about 410.8065582308.
It can be divided in two parts, 693 and 28548, that added together give a square (29241 = 1712).
The spelling of 69328548 in words is "sixty-nine million, three hundred twenty-eight thousand, five hundred forty-eight".
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