Base | Representation |
---|---|
bin | 100110100000… |
… | …1100001000110 |
3 | 1101222211021000 |
4 | 1031001201012 |
5 | 20132110202 |
6 | 2000434130 |
7 | 333423525 |
oct | 115014106 |
9 | 41884230 |
10 | 20191302 |
11 | 1044102a |
12 | 6918946 |
13 | 424c521 |
14 | 29784bc |
15 | 1b8c91c |
hex | 1341846 |
20191302 has 32 divisors (see below), whose sum is σ = 45158400. Its totient is φ = 6687144.
The previous prime is 20191277. The next prime is 20191333. The reversal of 20191302 is 20319102.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7899 + ... + 10137.
It is an arithmetic number, because the mean of its divisors is an integer number (1411200).
Almost surely, 220191302 is an apocalyptic number.
20191302 is an abundant number, since it is smaller than the sum of its proper divisors (24967098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20191302 is a wasteful number, since it uses less digits than its factorization.
20191302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2417 (or 2411 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
The square root of 20191302 is about 4493.4732668616. The cubic root of 20191302 is about 272.3044727041.
It can be divided in two parts, 2019 and 1302, that added together give a triangular number (3321 = T81).
The spelling of 20191302 in words is "twenty million, one hundred ninety-one thousand, three hundred two".
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