Base | Representation |
---|---|
bin | 100110101111… |
… | …1101010000011 |
3 | 1102020002121100 |
4 | 1031133222003 |
5 | 20200033010 |
6 | 2003225443 |
7 | 334446456 |
oct | 115375203 |
9 | 42202540 |
10 | 20314755 |
11 | 1051585a |
12 | 6978283 |
13 | 4293786 |
14 | 29ab49d |
15 | 1bb42c0 |
hex | 135fa83 |
20314755 has 12 divisors (see below), whose sum is σ = 35212320. Its totient is φ = 10834512.
The previous prime is 20314753. The next prime is 20314757. The reversal of 20314755 is 55741302.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (20314753) and next prime (20314757).
It is not a de Polignac number, because 20314755 - 21 = 20314753 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20314751) 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, 225675 + ... + 225764.
It is an arithmetic number, because the mean of its divisors is an integer number (2934360).
Almost surely, 220314755 is an apocalyptic number.
20314755 is a deficient number, since it is larger than the sum of its proper divisors (14897565).
20314755 is a wasteful number, since it uses less digits than its factorization.
20314755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 451450 (or 451447 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 27.
The square root of 20314755 is about 4507.1892571757. The cubic root of 20314755 is about 272.8583171751.
It can be divided in two parts, 2031 and 4755, that added together give a triangular number (6786 = T116).
The spelling of 20314755 in words is "twenty million, three hundred fourteen thousand, seven hundred fifty-five".
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