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20064498 = 234181563
BaseRepresentation
bin100110010001…
…0100011110010
31101202101022120
41030202203302
520114030443
61554015110
7332355036
oct114424362
941671276
1020064498
1110364833
126877496
1342068ac
1429441c6
151b65083
hex13228f2

20064498 has 16 divisors (see below), whose sum is σ = 41108256. Its totient is φ = 6524960.

The previous prime is 20064497. The next prime is 20064509. The reversal of 20064498 is 89446002.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20064493) 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, 40536 + ... + 41027.

It is an arithmetic number, because the mean of its divisors is an integer number (2569266).

Almost surely, 220064498 is an apocalyptic number.

20064498 is an abundant number, since it is smaller than the sum of its proper divisors (21043758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20064498 is a wasteful number, since it uses less digits than its factorization.

20064498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81609.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 20064498 is about 4479.3412462102. The cubic root of 20064498 is about 271.7332394005.

The spelling of 20064498 in words is "twenty million, sixty-four thousand, four hundred ninety-eight".

Divisors: 1 2 3 6 41 82 123 246 81563 163126 244689 489378 3344083 6688166 10032249 20064498