Base | Representation |
---|---|
bin | 1001101010110… |
… | …0101111000111 |
3 | 2211022022211100 |
4 | 2122230233013 |
5 | 40340202130 |
6 | 4005111143 |
7 | 1001461350 |
oct | 232545707 |
9 | 84268740 |
10 | 40553415 |
11 | 20989421 |
12 | 116b84b3 |
13 | 852b706 |
14 | 5558d27 |
15 | 3860c60 |
hex | 26acbc7 |
40553415 has 48 divisors (see below), whose sum is σ = 85071168. Its totient is φ = 17445888.
The previous prime is 40553413. The next prime is 40553423. The reversal of 40553415 is 51435504.
It is not a de Polignac number, because 40553415 - 21 = 40553413 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40553411) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1569 + ... + 9141.
It is an arithmetic number, because the mean of its divisors is an integer number (1772316).
Almost surely, 240553415 is an apocalyptic number.
40553415 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
40553415 is an abundant number, since it is smaller than the sum of its proper divisors (44517753).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40553415 is a wasteful number, since it uses less digits than its factorization.
40553415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7608 (or 7605 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 40553415 is about 6368.1563265988. The cubic root of 40553415 is about 343.5651815310.
Adding to 40553415 its reverse (51435504), we get a palindrome (91988919).
The spelling of 40553415 in words is "forty million, five hundred fifty-three thousand, four hundred fifteen".
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