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20111302 = 210055651
BaseRepresentation
bin100110010110…
…1111111000110
31101211202112001
41030231333012
520122030202
61555015514
7332641351
oct114557706
941752461
1020111302
1110396a12
12689a59a
134221ca3
142957298
151b73d87
hex132dfc6

20111302 has 4 divisors (see below), whose sum is σ = 30166956. Its totient is φ = 10055650.

The previous prime is 20111293. The next prime is 20111303. The reversal of 20111302 is 20311102.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5027824 + ... + 5027827.

It is an arithmetic number, because the mean of its divisors is an integer number (7541739).

Almost surely, 220111302 is an apocalyptic number.

20111302 is a deficient number, since it is larger than the sum of its proper divisors (10055654).

20111302 is a wasteful number, since it uses less digits than its factorization.

20111302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10055653.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 20111302 is about 4484.5626319631. The cubic root of 20111302 is about 271.9443639812.

Adding to 20111302 its reverse (20311102), we get a palindrome (40422404).

The spelling of 20111302 in words is "twenty million, one hundred eleven thousand, three hundred two".

Divisors: 1 2 10055651 20111302