Base | Representation |
---|---|
bin | 1001100111111… |
… | …1100001010111 |
3 | 2210221220210002 |
4 | 2121333201113 |
5 | 40313240330 |
6 | 4001121515 |
7 | 1000060406 |
oct | 231774127 |
9 | 83856702 |
10 | 40368215 |
11 | 20872268 |
12 | 1162929b |
13 | 8495324 |
14 | 550b63d |
15 | 3825e45 |
hex | 267f857 |
40368215 has 8 divisors (see below), whose sum is σ = 48478128. Its totient is φ = 32270400.
The previous prime is 40368187. The next prime is 40368239. The reversal of 40368215 is 51286304.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 40368215 - 222 = 36173911 is a prime.
It is a super-3 number, since 3×403682153 (a number of 24 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7940 + ... + 11990.
It is an arithmetic number, because the mean of its divisors is an integer number (6059766).
Almost surely, 240368215 is an apocalyptic number.
40368215 is a deficient number, since it is larger than the sum of its proper divisors (8109913).
40368215 is a wasteful number, since it uses less digits than its factorization.
40368215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6049.
The product of its (nonzero) digits is 5760, while the sum is 29.
The square root of 40368215 is about 6353.5985866279. The cubic root of 40368215 is about 343.0413836572.
The spelling of 40368215 in words is "forty million, three hundred sixty-eight thousand, two hundred fifteen".
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