Base | Representation |
---|---|
bin | 1001100110011… |
… | …1110110010001 |
3 | 2210202222202202 |
4 | 2121213312101 |
5 | 40302134444 |
6 | 3555052545 |
7 | 666204614 |
oct | 231476621 |
9 | 83688682 |
10 | 40271249 |
11 | 20806427 |
12 | 115a1155 |
13 | 8460155 |
14 | 54c417b |
15 | 380734e |
hex | 2667d91 |
40271249 has 16 divisors (see below), whose sum is σ = 43655040. Its totient is φ = 37013760.
The previous prime is 40271243. The next prime is 40271251. The reversal of 40271249 is 94217204.
It is not a de Polignac number, because 40271249 - 224 = 23494033 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (40271243) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190754 + ... + 190964.
It is an arithmetic number, because the mean of its divisors is an integer number (2728440).
Almost surely, 240271249 is an apocalyptic number.
It is an amenable number.
40271249 is a deficient number, since it is larger than the sum of its proper divisors (3383791).
40271249 is a wasteful number, since it uses less digits than its factorization.
40271249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 440.
The product of its (nonzero) digits is 4032, while the sum is 29.
The square root of 40271249 is about 6345.9632050619. The cubic root of 40271249 is about 342.7664972588.
The spelling of 40271249 in words is "forty million, two hundred seventy-one thousand, two hundred forty-nine".
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