Base | Representation |
---|---|
bin | 1000010010000… |
… | …00011101000000 |
3 | 11211201102221120 |
4 | 10021000131000 |
5 | 120241020031 |
6 | 10520552240 |
7 | 1502325330 |
oct | 411003500 |
9 | 154642846 |
10 | 69470016 |
11 | 36239940 |
12 | 1b322680 |
13 | 11514525 |
14 | 93250c0 |
15 | 6173a96 |
hex | 4240740 |
69470016 has 224 divisors, whose sum is σ = 237207552. Its totient is φ = 17418240.
The previous prime is 69470003. The next prime is 69470017. The reversal of 69470016 is 61007496.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (224).
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69470017) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 546945 + ... + 547071.
Almost surely, 269470016 is an apocalyptic number.
69470016 is a gapful number since it is divisible by the number (66) 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 69470016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118603776).
69470016 is an abundant number, since it is smaller than the sum of its proper divisors (167737536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69470016 is a wasteful number, since it uses less digits than its factorization.
69470016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 197 (or 187 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 33.
The square root of 69470016 is about 8334.8674854493. The cubic root of 69470016 is about 411.0857914336.
The spelling of 69470016 in words is "sixty-nine million, four hundred seventy thousand, sixteen".
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