Base | Representation |
---|---|
bin | 100111000010… |
… | …1100101011110 |
3 | 1102111222201020 |
4 | 1032011211132 |
5 | 20220020420 |
6 | 2010425010 |
7 | 335664423 |
oct | 116054536 |
9 | 42458636 |
10 | 20470110 |
11 | 10611551 |
12 | 6a32166 |
13 | 43193bb |
14 | 2a0bd4a |
15 | 1be5340 |
hex | 138595e |
20470110 has 16 divisors (see below), whose sum is σ = 49128336. Its totient is φ = 5458688.
The previous prime is 20470097. The next prime is 20470123. The reversal of 20470110 is 1107402.
It is an interprime number because it is at equal distance from previous prime (20470097) and next prime (20470123).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 20470110.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341139 + ... + 341198.
It is an arithmetic number, because the mean of its divisors is an integer number (3070521).
Almost surely, 220470110 is an apocalyptic number.
20470110 is an abundant number, since it is smaller than the sum of its proper divisors (28658226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20470110 is a wasteful number, since it uses less digits than its factorization.
20470110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 682347.
The product of its (nonzero) digits is 56, while the sum is 15.
The square root of 20470110 is about 4524.3905666951. The cubic root of 20470110 is about 273.5521035904.
Adding to 20470110 its reverse (1107402), we get a palindrome (21577512).
The spelling of 20470110 in words is "twenty million, four hundred seventy thousand, one hundred ten".
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