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20708119 = 192347387
BaseRepresentation
bin100111011111…
…1101100010111
31102222002012101
41032333230113
520300124434
62015502531
7341005345
oct116775427
942862171
1020708119
1110764353
126b27a47
1343a0833
142a70995
151c40b14
hex13bfb17

20708119 has 8 divisors (see below), whose sum is σ = 22746240. Its totient is φ = 18764856.

The previous prime is 20708101. The next prime is 20708137. The reversal of 20708119 is 91180702.

It is an interprime number because it is at equal distance from previous prime (20708101) and next prime (20708137).

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

It is not a de Polignac number, because 20708119 - 27 = 20707991 is a prime.

It is a super-2 number, since 2×207081192 = 857652385036322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20708179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23257 + ... + 24130.

It is an arithmetic number, because the mean of its divisors is an integer number (2843280).

Almost surely, 220708119 is an apocalyptic number.

20708119 is a deficient number, since it is larger than the sum of its proper divisors (2038121).

20708119 is a wasteful number, since it uses less digits than its factorization.

20708119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47429.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 20708119 is about 4550.6174306351. The cubic root of 20708119 is about 274.6082311263.

The spelling of 20708119 in words is "twenty million, seven hundred eight thousand, one hundred nineteen".

Divisors: 1 19 23 437 47387 900353 1089901 20708119