Base | Representation |
---|---|
bin | 101010010010000… |
… | …1011011001111100 |
3 | 10122212122222121200 |
4 | 1110210023121330 |
5 | 10401201120134 |
6 | 352441055500 |
7 | 50105226546 |
oct | 12444133174 |
9 | 3585588550 |
10 | 1418770044 |
11 | 668949a2a |
12 | 337187590 |
13 | 197c21103 |
14 | d65da696 |
15 | 84851499 |
hex | 5490b67c |
1418770044 has 18 divisors (see below), whose sum is σ = 3586335480. Its totient is φ = 472923336.
The previous prime is 1418770039. The next prime is 1418770049. The reversal of 1418770044 is 4400778141.
It is an interprime number because it is at equal distance from previous prime (1418770039) and next prime (1418770049).
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 39410279 = 1418770044 / (1 + 4 + 1 + 8 + 7 + 7 + 0 + 0 + 4 + 4).
It is a junction number, because it is equal to n+sod(n) for n = 1418769990 and 1418770008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1418770049) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19705104 + ... + 19705175.
It is an arithmetic number, because the mean of its divisors is an integer number (199240860).
Almost surely, 21418770044 is an apocalyptic number.
It is an amenable number.
1418770044 is an abundant number, since it is smaller than the sum of its proper divisors (2167565436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1418770044 is a wasteful number, since it uses less digits than its factorization.
1418770044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39410289 (or 39410284 counting only the distinct ones).
The product of its (nonzero) digits is 25088, while the sum is 36.
The square root of 1418770044 is about 37666.5640057598. The cubic root of 1418770044 is about 1123.6662499085. Note that the first 3 decimals are identical.
The spelling of 1418770044 in words is "one billion, four hundred eighteen million, seven hundred seventy thousand, forty-four".
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