Base | Representation |
---|---|
bin | 101011010101101001011 |
3 | 2200011000120 |
4 | 11122231023 |
5 | 330420412 |
6 | 50234323 |
7 | 15033153 |
oct | 5325513 |
9 | 2604016 |
10 | 1420107 |
11 | 88aa47 |
12 | 5859a3 |
13 | 3a9500 |
14 | 28d763 |
15 | 1d0b8c |
hex | 15ab4b |
1420107 has 12 divisors (see below), whose sum is σ = 2051064. Its totient is φ = 873600.
The previous prime is 1420099. The next prime is 1420109. The reversal of 1420107 is 7010241.
It is not a de Polignac number, because 1420107 - 23 = 1420099 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1420109) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 894 + ... + 1907.
It is an arithmetic number, because the mean of its divisors is an integer number (170922).
21420107 is an apocalyptic number.
1420107 is a deficient number, since it is larger than the sum of its proper divisors (630957).
1420107 is a wasteful number, since it uses less digits than its factorization.
1420107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2830 (or 2817 counting only the distinct ones).
The product of its (nonzero) digits is 56, while the sum is 15.
The square root of 1420107 is about 1191.6824241382. The cubic root of 1420107 is about 112.4019095601.
Adding to 1420107 its reverse (7010241), we get a palindrome (8430348).
The spelling of 1420107 in words is "one million, four hundred twenty thousand, one hundred seven".
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