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20102241 = 317233889
BaseRepresentation
bin100110010101…
…1110001100001
31101211022002110
41030223301201
520121232431
61554505533
7332603055
oct114536141
941738073
1020102241
1110390125
1268952a9
13421ab23
142953c65
151b71346
hex132bc61

20102241 has 8 divisors (see below), whose sum is σ = 26825440. Its totient is φ = 13390272.

The previous prime is 20102239. The next prime is 20102263. The reversal of 20102241 is 14220102.

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

It is not a de Polignac number, because 20102241 - 21 = 20102239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20102441) 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, 3225 + ... + 7113.

It is an arithmetic number, because the mean of its divisors is an integer number (3353180).

Almost surely, 220102241 is an apocalyptic number.

It is an amenable number.

20102241 is a deficient number, since it is larger than the sum of its proper divisors (6723199).

20102241 is a wasteful number, since it uses less digits than its factorization.

20102241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5615.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 20102241 is about 4483.5522747036. The cubic root of 20102241 is about 271.9035169982.

Adding to 20102241 its reverse (14220102), we get a palindrome (34322343).

The spelling of 20102241 in words is "twenty million, one hundred two thousand, two hundred forty-one".

Divisors: 1 3 1723 3889 5169 11667 6700747 20102241