Base | Representation |
---|---|
bin | 1010110000001… |
… | …1001010100011 |
3 | 10010212101221111 |
4 | 2230003022203 |
5 | 43021223411 |
6 | 4250404151 |
7 | 1055233633 |
oct | 254031243 |
9 | 103771844 |
10 | 45101731 |
11 | 23505664 |
12 | 13130657 |
13 | 9461a1c |
14 | 5dc06c3 |
15 | 3e5d721 |
hex | 2b032a3 |
45101731 has 8 divisors (see below), whose sum is σ = 47891520. Its totient is φ = 42327168.
The previous prime is 45101671. The next prime is 45101741. The reversal of 45101731 is 13710154.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 45101731 - 27 = 45101603 is a prime.
It is a super-2 number, since 2×451017312 = 4068332278392722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (45101741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2625 + ... + 9853.
It is an arithmetic number, because the mean of its divisors is an integer number (5986440).
Almost surely, 245101731 is an apocalyptic number.
45101731 is a deficient number, since it is larger than the sum of its proper divisors (2789789).
45101731 is a wasteful number, since it uses less digits than its factorization.
45101731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7613.
The product of its (nonzero) digits is 420, while the sum is 22.
The square root of 45101731 is about 6715.7822329197. The cubic root of 45101731 is about 355.9571630273.
Adding to 45101731 its reverse (13710154), we get a palindrome (58811885).
It can be divided in two parts, 4510 and 1731, that added together give a square (6241 = 792).
The spelling of 45101731 in words is "forty-five million, one hundred one thousand, seven hundred thirty-one".
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