Base | Representation |
---|---|
bin | 1000010110101… |
… | …01101001000100 |
3 | 11212212111012000 |
4 | 10023111221010 |
5 | 120420043332 |
6 | 10542025300 |
7 | 1510452024 |
oct | 413255104 |
9 | 155774160 |
10 | 70081092 |
11 | 36616a64 |
12 | 1b578230 |
13 | 11699703 |
14 | 9443a84 |
15 | 6244b7c |
hex | 42d5a44 |
70081092 has 96 divisors (see below), whose sum is σ = 192326400. Its totient is φ = 22023936.
The previous prime is 70081087. The next prime is 70081103. The reversal of 70081092 is 29018007.
It is a super-2 number, since 2×700810922 = 9822718911824928, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220918 + ... + 221234.
It is an arithmetic number, because the mean of its divisors is an integer number (2003400).
Almost surely, 270081092 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70081092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96163200).
70081092 is an abundant number, since it is smaller than the sum of its proper divisors (122245308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70081092 is a wasteful number, since it uses less digits than its factorization.
70081092 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 442 (or 434 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 27.
The square root of 70081092 is about 8371.4450365513. The cubic root of 70081092 is about 412.2876129795.
Adding to 70081092 its reverse (29018007), we get a palindrome (99099099).
It can be divided in two parts, 7008 and 1092, that added together give a square (8100 = 902).
The spelling of 70081092 in words is "seventy million, eighty-one thousand, ninety-two".
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