Base | Representation |
---|---|
bin | 1000010110011… |
… | …10111010110000 |
3 | 11212211002102000 |
4 | 10023032322300 |
5 | 120413203202 |
6 | 10541254000 |
7 | 1510305522 |
oct | 413167260 |
9 | 155732360 |
10 | 70053552 |
11 | 365a82a8 |
12 | 1b564300 |
13 | 1168a00a |
14 | 9437a12 |
15 | 623b91c |
hex | 42ceeb0 |
70053552 has 80 divisors (see below), whose sum is σ = 207605760. Its totient is φ = 22593600.
The previous prime is 70053523. The next prime is 70053553. The reversal of 70053552 is 25535007.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70053553) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 10777 + ... + 16007.
It is an arithmetic number, because the mean of its divisors is an integer number (2595072).
Almost surely, 270053552 is an apocalyptic number.
70053552 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 70053552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103802880).
70053552 is an abundant number, since it is smaller than the sum of its proper divisors (137552208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70053552 is a wasteful number, since it uses less digits than its factorization.
70053552 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5279 (or 5267 counting only the distinct ones).
The product of its (nonzero) digits is 5250, while the sum is 27.
The square root of 70053552 is about 8369.7999976105. The cubic root of 70053552 is about 412.2335998918.
Adding to 70053552 its reverse (25535007), we get a palindrome (95588559).
The spelling of 70053552 in words is "seventy million, fifty-three thousand, five hundred fifty-two".
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