Base | Representation |
---|---|
bin | 101011010110010101101 |
3 | 2200011111200 |
4 | 11122302231 |
5 | 330423321 |
6 | 50240113 |
7 | 15034200 |
oct | 5326255 |
9 | 2604450 |
10 | 1420461 |
11 | 890239 |
12 | 586039 |
13 | 3a9713 |
14 | 28d937 |
15 | 1d0d26 |
hex | 15acad |
1420461 has 18 divisors (see below), whose sum is σ = 2387502. Its totient is φ = 811440.
The previous prime is 1420429. The next prime is 1420483. The reversal of 1420461 is 1640241.
It can be written as a sum of positive squares in only one way, i.e., 1334025 + 86436 = 1155^2 + 294^2 .
It is not a de Polignac number, because 1420461 - 25 = 1420429 is a prime.
It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.
1420461 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1420261) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1170 + ... + 2051.
It is an arithmetic number, because the mean of its divisors is an integer number (132639).
21420461 is an apocalyptic number.
It is an amenable number.
1420461 is a deficient number, since it is larger than the sum of its proper divisors (967041).
1420461 is a wasteful number, since it uses less digits than its factorization.
1420461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3241 (or 3231 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 1420461 is about 1191.8309443877. The cubic root of 1420461 is about 112.4112485207.
It can be divided in two parts, 1420 and 461, that added together give a palindrome (1881).
The spelling of 1420461 in words is "one million, four hundred twenty thousand, four hundred sixty-one".
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