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20198483 = 791671531
BaseRepresentation
bin100110100001…
…1010001010011
31102000012002222
41031003101103
520132322413
62000531255
7333453464
oct115032123
942005088
1020198483
1110446468
126920b2b
134252886
14297ad6b
151b8eb08
hex1343453

20198483 has 8 divisors (see below), whose sum is σ = 20590080. Its totient is φ = 19810440.

The previous prime is 20198449. The next prime is 20198489. The reversal of 20198483 is 38489102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20198483 - 26 = 20198419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20198489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12428 + ... + 13958.

It is an arithmetic number, because the mean of its divisors is an integer number (2573760).

Almost surely, 220198483 is an apocalyptic number.

20198483 is a deficient number, since it is larger than the sum of its proper divisors (391597).

20198483 is a wasteful number, since it uses less digits than its factorization.

20198483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 20198483 is about 4494.2722436452. The cubic root of 20198483 is about 272.3367504088.

The spelling of 20198483 in words is "twenty million, one hundred ninety-eight thousand, four hundred eighty-three".

Divisors: 1 79 167 1531 13193 120949 255677 20198483