Base | Representation |
---|---|
bin | 1001101000001… |
… | …0001010010001 |
3 | 2210222110121110 |
4 | 2122002022101 |
5 | 40314112100 |
6 | 4001243533 |
7 | 1000134051 |
oct | 232021221 |
9 | 83873543 |
10 | 40379025 |
11 | 2087a3a5 |
12 | 116335a9 |
13 | 849a21b |
14 | 5511561 |
15 | 3829250 |
hex | 2682291 |
40379025 has 24 divisors (see below), whose sum is σ = 68569024. Its totient is φ = 20952000.
The previous prime is 40379023. The next prime is 40379041. The reversal of 40379025 is 52097304.
It is not a de Polignac number, because 40379025 - 21 = 40379023 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 40378983 and 40379001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40379023) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4501 + ... + 10050.
Almost surely, 240379025 is an apocalyptic number.
It is an amenable number.
40379025 is a deficient number, since it is larger than the sum of its proper divisors (28189999).
40379025 is a wasteful number, since it uses less digits than its factorization.
40379025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14601 (or 14596 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 30.
The square root of 40379025 is about 6354.4492286901. The cubic root of 40379025 is about 343.0720013631.
The spelling of 40379025 in words is "forty million, three hundred seventy-nine thousand, twenty-five".
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