Base | Representation |
---|---|
bin | 1000010110001… |
… | …00101001011000 |
3 | 11212201221200210 |
4 | 10023010221120 |
5 | 120410331410 |
6 | 10540331120 |
7 | 1510042050 |
oct | 413045130 |
9 | 155657623 |
10 | 70011480 |
11 | 36579730 |
12 | 1b543aa0 |
13 | 11673b16 |
14 | 9426560 |
15 | 622e220 |
hex | 42c4a58 |
70011480 has 128 divisors (see below), whose sum is σ = 261895680. Its totient is φ = 14545920.
The previous prime is 70011451. The next prime is 70011497. The reversal of 70011480 is 8411007.
70011480 = T1568 + T1569 + ... + T1622.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5452 + ... + 13028.
It is an arithmetic number, because the mean of its divisors is an integer number (2046060).
Almost surely, 270011480 is an apocalyptic number.
70011480 is a gapful number since it is divisible by the number (70) 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 70011480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130947840).
70011480 is an abundant number, since it is smaller than the sum of its proper divisors (191884200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70011480 is a wasteful number, since it uses less digits than its factorization.
70011480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7609 (or 7605 counting only the distinct ones).
The product of its (nonzero) digits is 224, while the sum is 21.
The square root of 70011480 is about 8367.2862984363. The cubic root of 70011480 is about 412.1510584423.
Adding to 70011480 its reverse (8411007), we get a palindrome (78422487).
The spelling of 70011480 in words is "seventy million, eleven thousand, four hundred eighty".
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