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20029106 = 261164173
BaseRepresentation
bin100110001100…
…1111010110010
31101200120202202
41030121322302
520111412411
61553143202
7332146616
oct114317262
941616682
1020029106
1110340189
12685ab02
1341c3756
142935346
151b5983b
hex1319eb2

20029106 has 8 divisors (see below), whose sum is σ = 30536364. Its totient is φ = 9850320.

The previous prime is 20029103. The next prime is 20029109. The reversal of 20029106 is 60192002.

It is an interprime number because it is at equal distance from previous prime (20029103) and next prime (20029109).

It can be written as a sum of positive squares in 2 ways, for example, as 20025625 + 3481 = 4475^2 + 59^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20029103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81965 + ... + 82208.

Almost surely, 220029106 is an apocalyptic number.

20029106 is a deficient number, since it is larger than the sum of its proper divisors (10507258).

20029106 is a wasteful number, since it uses less digits than its factorization.

20029106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164236.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 20029106 is about 4475.3889216469. The cubic root of 20029106 is about 271.5733742334.

The spelling of 20029106 in words is "twenty million, twenty-nine thousand, one hundred six".

Divisors: 1 2 61 122 164173 328346 10014553 20029106