Base | Representation |
---|---|
bin | 100111000101… |
… | …0000010010110 |
3 | 1102112220201111 |
4 | 1032022002112 |
5 | 20221111332 |
6 | 2011045234 |
7 | 336101530 |
oct | 116120226 |
9 | 42486644 |
10 | 20488342 |
11 | 10624216 |
12 | 6a4081a |
13 | 43247a4 |
14 | 2a14850 |
15 | 1bea947 |
hex | 138a096 |
20488342 has 8 divisors (see below), whose sum is σ = 35122896. Its totient is φ = 8780712.
The previous prime is 20488337. The next prime is 20488367. The reversal of 20488342 is 24388402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731713 + ... + 731740.
It is an arithmetic number, because the mean of its divisors is an integer number (4390362).
Almost surely, 220488342 is an apocalyptic number.
20488342 is a deficient number, since it is larger than the sum of its proper divisors (14634554).
20488342 is a wasteful number, since it uses less digits than its factorization.
20488342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1463462.
The product of its (nonzero) digits is 12288, while the sum is 31.
The square root of 20488342 is about 4526.4049752535. The cubic root of 20488342 is about 273.6332938719.
It can be divided in two parts, 20488 and 342, that multiplied together give a triangular number (7006896 = T3743).
The spelling of 20488342 in words is "twenty million, four hundred eighty-eight thousand, three hundred forty-two".
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