Base | Representation |
---|---|
bin | 100110101101… |
… | …010100001001 |
3 | 201002112011211 |
4 | 212231110021 |
5 | 10044201311 |
6 | 1001253121 |
7 | 152151220 |
oct | 46552411 |
9 | 21075154 |
10 | 10147081 |
11 | 580071a |
12 | 34941a1 |
13 | 21437b9 |
14 | 14c1cb7 |
15 | d56821 |
hex | 9ad509 |
10147081 has 4 divisors (see below), whose sum is σ = 11596672. Its totient is φ = 8697492.
The previous prime is 10147069. The next prime is 10147091. The reversal of 10147081 is 18074101.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18074101 = 1879 ⋅9619.
It is a cyclic number.
It is not a de Polignac number, because 10147081 - 27 = 10146953 is a prime.
It is a super-2 number, since 2×101470812 = 205926505641122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10147001) 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 3 ways as a sum of consecutive naturals, for example, 724785 + ... + 724798.
It is an arithmetic number, because the mean of its divisors is an integer number (2899168).
Almost surely, 210147081 is an apocalyptic number.
It is an amenable number.
10147081 is a deficient number, since it is larger than the sum of its proper divisors (1449591).
10147081 is an equidigital number, since it uses as much as digits as its factorization.
10147081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1449590.
The product of its (nonzero) digits is 224, while the sum is 22.
The square root of 10147081 is about 3185.4483200956. The cubic root of 10147081 is about 216.4945871027.
The spelling of 10147081 in words is "ten million, one hundred forty-seven thousand, eighty-one".
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