Base | Representation |
---|---|
bin | 1000010110001… |
… | …11110100110100 |
3 | 11212202121120000 |
4 | 10023013310310 |
5 | 120411241000 |
6 | 10540511300 |
7 | 1510125030 |
oct | 413076464 |
9 | 155677500 |
10 | 70024500 |
11 | 36588497 |
12 | 1b54b530 |
13 | 11679a20 |
14 | 942b1c0 |
15 | 6233000 |
hex | 42c7d34 |
70024500 has 480 divisors, whose sum is σ = 295975680. Its totient is φ = 13996800.
The previous prime is 70024499. The next prime is 70024553. The reversal of 70024500 is 542007.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
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 159 ways as a sum of consecutive naturals, for example, 3685491 + ... + 3685509.
It is an arithmetic number, because the mean of its divisors is an integer number (616616).
Almost surely, 270024500 is an apocalyptic number.
70024500 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 70024500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147987840).
70024500 is an abundant number, since it is smaller than the sum of its proper divisors (225951180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70024500 is a wasteful number, since it uses less digits than its factorization.
70024500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70 (or 49 counting only the distinct ones).
The product of its (nonzero) digits is 280, while the sum is 18.
The square root of 70024500 is about 8368.0642922960. The cubic root of 70024500 is about 412.1766060343.
Adding to 70024500 its reverse (542007), we get a palindrome (70566507).
It can be divided in two parts, 700 and 24500, that added together give a triangular number (25200 = T224).
The spelling of 70024500 in words is "seventy million, twenty-four thousand, five hundred".
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