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20179113 = 339716943
BaseRepresentation
bin100110011111…
…0100010101001
31101222012112120
41030332202221
520131212423
62000301453
7333343143
oct114764251
941865476
1020179113
1110432959
126911889
134246b06
142973c93
151b88ee3
hex133e8a9

20179113 has 8 divisors (see below), whose sum is σ = 26974848. Its totient is φ = 13418064.

The previous prime is 20179069. The next prime is 20179129. The reversal of 20179113 is 31197102.

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

It is not a de Polignac number, because 20179113 - 28 = 20178857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20179163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7281 + ... + 9662.

It is an arithmetic number, because the mean of its divisors is an integer number (3371856).

Almost surely, 220179113 is an apocalyptic number.

It is an amenable number.

20179113 is a deficient number, since it is larger than the sum of its proper divisors (6795735).

20179113 is a wasteful number, since it uses less digits than its factorization.

20179113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17343.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 20179113 is about 4492.1167616170. The cubic root of 20179113 is about 272.2496671359.

The spelling of 20179113 in words is "twenty million, one hundred seventy-nine thousand, one hundred thirteen".

Divisors: 1 3 397 1191 16943 50829 6726371 20179113