Base | Representation |
---|---|
bin | 1001100100101… |
… | …0010001000000 |
3 | 2210112211120000 |
4 | 2121022101000 |
5 | 40234300310 |
6 | 3552320000 |
7 | 665161425 |
oct | 231122100 |
9 | 83484500 |
10 | 40150080 |
11 | 20733393 |
12 | 11543000 |
13 | 8419c59 |
14 | 5491d4c |
15 | 37d14c0 |
hex | 264a440 |
40150080 has 140 divisors (see below), whose sum is σ = 142913100. Its totient is φ = 10699776.
The previous prime is 40150067. The next prime is 40150087. The reversal of 40150080 is 8005104.
It can be written as a sum of positive squares in 2 ways, for example, as 14017536 + 26132544 = 3744^2 + 5112^2 .
It is a super-2 number, since 2×401500802 = 3224057848012800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (40150087) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25146 + ... + 26694.
Almost surely, 240150080 is an apocalyptic number.
40150080 is a gapful number since it is divisible by the number (40) 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 40150080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71456550).
40150080 is an abundant number, since it is smaller than the sum of its proper divisors (102763020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40150080 is a wasteful number, since it uses less digits than its factorization.
40150080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1578 (or 1559 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 18.
The square root of 40150080 is about 6336.4090777032. The cubic root of 40150080 is about 342.4223774934.
Adding to 40150080 its reverse (8005104), we get a palindrome (48155184).
The spelling of 40150080 in words is "forty million, one hundred fifty thousand, eighty".
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