Base | Representation |
---|---|
bin | 110101011111… |
… | …010011011110 |
3 | 222101101100221 |
4 | 311133103132 |
5 | 12042144404 |
6 | 1220311554 |
7 | 230120020 |
oct | 65372336 |
9 | 28341327 |
10 | 14021854 |
11 | 7a07910 |
12 | 48425ba |
13 | 2b9c372 |
14 | 1c10010 |
15 | 136e954 |
hex | d5f4de |
14021854 has 32 divisors (see below), whose sum is σ = 26562816. Its totient is φ = 5392320.
The previous prime is 14021851. The next prime is 14021857. The reversal of 14021854 is 45812041.
It is an interprime number because it is at equal distance from previous prime (14021851) and next prime (14021857).
It is a super-2 number, since 2×140218542 = 393224779194632, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14021851) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12234 + ... + 13330.
It is an arithmetic number, because the mean of its divisors is an integer number (830088).
Almost surely, 214021854 is an apocalyptic number.
14021854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
14021854 is a deficient number, since it is larger than the sum of its proper divisors (12540962).
14021854 is a wasteful number, since it uses less digits than its factorization.
14021854 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1200.
The product of its (nonzero) digits is 1280, while the sum is 25.
The square root of 14021854 is about 3744.5766115811. The cubic root of 14021854 is about 241.1395689560.
Adding to 14021854 its reverse (45812041), we get a palindrome (59833895).
The spelling of 14021854 in words is "fourteen million, twenty-one thousand, eight hundred fifty-four".
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