Base | Representation |
---|---|
bin | 100110010111… |
… | …0110000010110 |
3 | 1101211220211210 |
4 | 1030232300112 |
5 | 20122130304 |
6 | 1555042250 |
7 | 332653503 |
oct | 114566026 |
9 | 41756753 |
10 | 20114454 |
11 | 10399318 |
12 | 68a0386 |
13 | 4223559 |
14 | 29584aa |
15 | 1b74c89 |
hex | 132ec16 |
20114454 has 32 divisors (see below), whose sum is σ = 41969664. Its totient is φ = 6420960.
The previous prime is 20114447. The next prime is 20114459. The reversal of 20114454 is 45441102.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 20114454.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20114459) 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, 12939 + ... + 14409.
It is an arithmetic number, because the mean of its divisors is an integer number (1311552).
Almost surely, 220114454 is an apocalyptic number.
20114454 is an abundant number, since it is smaller than the sum of its proper divisors (21855210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20114454 is a wasteful number, since it uses less digits than its factorization.
20114454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1572.
The product of its (nonzero) digits is 640, while the sum is 21.
The square root of 20114454 is about 4484.9140459991. The cubic root of 20114454 is about 271.9585703191.
Adding to 20114454 its reverse (45441102), we get a palindrome (65555556).
The spelling of 20114454 in words is "twenty million, one hundred fourteen thousand, four hundred fifty-four".
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