Base | Representation |
---|---|
bin | 1000010111100… |
… | …11101010000000 |
3 | 11220002201211100 |
4 | 10023303222000 |
5 | 120433012112 |
6 | 10544414400 |
7 | 1511503323 |
oct | 413635200 |
9 | 156081740 |
10 | 70204032 |
11 | 366a0368 |
12 | 1b617400 |
13 | 11710662 |
14 | 94767ba |
15 | 626b2dc |
hex | 42f3a80 |
70204032 has 96 divisors (see below), whose sum is σ = 203872500. Its totient is φ = 23187456.
The previous prime is 70204021. The next prime is 70204037. The reversal of 70204032 is 23040207.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 70157376 + 46656 = 8376^2 + 216^2 .
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×702040322 = 9857212218114048, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 70203996 and 70204014.
It is not an unprimeable number, because it can be changed into a prime (70204037) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 171444 + ... + 171852.
Almost surely, 270204032 is an apocalyptic number.
70204032 is a gapful number since it is divisible by the number (72) 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 70204032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101936250).
70204032 is an abundant number, since it is smaller than the sum of its proper divisors (133668468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70204032 is a wasteful number, since it uses less digits than its factorization.
70204032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 578 (or 563 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 18.
The square root of 70204032 is about 8378.7846374042. The cubic root of 70204032 is about 412.5285578025.
Adding to 70204032 its reverse (23040207), we get a palindrome (93244239).
The spelling of 70204032 in words is "seventy million, two hundred four thousand, thirty-two".
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