Base | Representation |
---|---|
bin | 100110101111… |
… | …1011111100000 |
3 | 1102020001200100 |
4 | 1031133133200 |
5 | 20200022310 |
6 | 2003222400 |
7 | 334444503 |
oct | 115373740 |
9 | 42201610 |
10 | 20314080 |
11 | 105152a6 |
12 | 6977a00 |
13 | 4293387 |
14 | 29ab13a |
15 | 1bb3ec0 |
hex | 135f7e0 |
20314080 has 72 divisors (see below), whose sum is σ = 69326712. Its totient is φ = 5416704.
The previous prime is 20314069. The next prime is 20314081. The reversal of 20314080 is 8041302.
20314080 = T245 + T246 + ... + T514.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20314081) 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, 5614 + ... + 8493.
It is an arithmetic number, because the mean of its divisors is an integer number (962871).
Almost surely, 220314080 is an apocalyptic number.
20314080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20314080 is an abundant number, since it is smaller than the sum of its proper divisors (49012632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20314080 is a wasteful number, since it uses less digits than its factorization.
20314080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14128 (or 14117 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 20314080 is about 4507.1143761835. The cubic root of 20314080 is about 272.8552950465.
Adding to 20314080 its reverse (8041302), we get a palindrome (28355382).
The spelling of 20314080 in words is "twenty million, three hundred fourteen thousand, eighty".
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