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20106654 = 233351109
BaseRepresentation
bin100110010110…
…0110110011110
31101211112010220
41030230312132
520121403104
61554542210
7332621661
oct114546636
941745126
1020106654
1110393477
126897966
13421cb39
1429556d8
151b727d9
hex132cd9e

20106654 has 8 divisors (see below), whose sum is σ = 40213320. Its totient is φ = 6702216.

The previous prime is 20106649. The next prime is 20106659. The reversal of 20106654 is 45660102.

It is an interprime number because it is at equal distance from previous prime (20106649) and next prime (20106659).

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

20106654 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20106659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675549 + ... + 1675560.

It is an arithmetic number, because the mean of its divisors is an integer number (5026665).

Almost surely, 220106654 is an apocalyptic number.

20106654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20106654 is a wasteful number, since it uses less digits than its factorization.

20106654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351114.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 20106654 is about 4484.0443797982. The cubic root of 20106654 is about 271.9234123327.

Adding to 20106654 its reverse (45660102), we get a palindrome (65766756).

The spelling of 20106654 in words is "twenty million, one hundred six thousand, six hundred fifty-four".

Divisors: 1 2 3 6 3351109 6702218 10053327 20106654