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20106233 = 717316603
BaseRepresentation
bin100110010110…
…0101111111001
31101211111120022
41030230233321
520121344413
61554540225
7332620520
oct114545771
941744508
1020106233
1110393124
126897675
13421c8a4
1429554b7
151b72608
hex132cbf9

20106233 has 8 divisors (see below), whose sum is σ = 23112768. Its totient is φ = 17133264.

The previous prime is 20106227. The next prime is 20106253. The reversal of 20106233 is 33260102.

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 20106233 - 24 = 20106217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20106253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7091 + ... + 9512.

It is an arithmetic number, because the mean of its divisors is an integer number (2889096).

Almost surely, 220106233 is an apocalyptic number.

It is an amenable number.

20106233 is a deficient number, since it is larger than the sum of its proper divisors (3006535).

20106233 is a wasteful number, since it uses less digits than its factorization.

20106233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16783.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 20106233 is about 4483.9974353249. The cubic root of 20106233 is about 271.9215144443.

Adding to 20106233 its reverse (33260102), we get a palindrome (53366335).

The spelling of 20106233 in words is "twenty million, one hundred six thousand, two hundred thirty-three".

Divisors: 1 7 173 1211 16603 116221 2872319 20106233