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20464106 = 2132812801
BaseRepresentation
bin100111000010…
…0000111101010
31102111200110212
41032010013222
520214322411
62010341122
7335641055
oct116040752
942450425
1020464106
1110607a93
126a2a7a2
134316750
142a09a9c
151be368b
hex13841ea

20464106 has 16 divisors (see below), whose sum is σ = 33186888. Its totient is φ = 9408000.

The previous prime is 20464099. The next prime is 20464109. The reversal of 20464106 is 60146402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15880225 + 4583881 = 3985^2 + 2141^2 .

It is not an unprimeable number, because it can be changed into a prime (20464109) 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, 5906 + ... + 8706.

Almost surely, 220464106 is an apocalyptic number.

20464106 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20464106 is a deficient number, since it is larger than the sum of its proper divisors (12722782).

20464106 is a wasteful number, since it uses less digits than its factorization.

20464106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20464106 is about 4523.7270032574. The cubic root of 20464106 is about 273.5253561778.

The spelling of 20464106 in words is "twenty million, four hundred sixty-four thousand, one hundred six".

Divisors: 1 2 13 26 281 562 2801 3653 5602 7306 36413 72826 787081 1574162 10232053 20464106