Base | Representation |
---|---|
bin | 1000011000001… |
… | …00110101111110 |
3 | 11220020022101200 |
4 | 10030010311332 |
5 | 120442240210 |
6 | 10550120330 |
7 | 1512215502 |
oct | 414046576 |
9 | 156208350 |
10 | 70274430 |
11 | 36739246 |
12 | 1b6500a6 |
13 | 11736705 |
14 | 9494302 |
15 | 62820c0 |
hex | 4304d7e |
70274430 has 96 divisors (see below), whose sum is σ = 201973824. Its totient is φ = 16862208.
The previous prime is 70274411. The next prime is 70274441. The reversal of 70274430 is 3447207.
It is a junction number, because it is equal to n+sod(n) for n = 70274394 and 70274403.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34192 + ... + 36188.
It is an arithmetic number, because the mean of its divisors is an integer number (2103894).
Almost surely, 270274430 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70274430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100986912).
70274430 is an abundant number, since it is smaller than the sum of its proper divisors (131699394).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70274430 is a wasteful number, since it uses less digits than its factorization.
70274430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2050 (or 2047 counting only the distinct ones).
The product of its (nonzero) digits is 4704, while the sum is 27.
The square root of 70274430 is about 8382.9845520554. The cubic root of 70274430 is about 412.6664011848. Note that the first 3 decimals are identical.
The spelling of 70274430 in words is "seventy million, two hundred seventy-four thousand, four hundred thirty".
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