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20198059 = 719115107
BaseRepresentation
bin100110100001…
…1001010101011
31102000011112021
41031003022223
520132314214
62000525311
7333452320
oct115031253
942004467
1020198059
1110446112
126920837
13425261b
14297ab47
151b8e924
hex13432ab

20198059 has 8 divisors (see below), whose sum is σ = 23205888. Its totient is φ = 17220840.

The previous prime is 20198053. The next prime is 20198077. The reversal of 20198059 is 95089102.

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

It is not a de Polignac number, because 20198059 - 213 = 20189867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20198053) 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, 6217 + ... + 8890.

It is an arithmetic number, because the mean of its divisors is an integer number (2900736).

Almost surely, 220198059 is an apocalyptic number.

20198059 is a deficient number, since it is larger than the sum of its proper divisors (3007829).

20198059 is a wasteful number, since it uses less digits than its factorization.

20198059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15305.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 20198059 is about 4494.2250722455. The cubic root of 20198059 is about 272.3348447939.

The spelling of 20198059 in words is "twenty million, one hundred ninety-eight thousand, fifty-nine".

Divisors: 1 7 191 1337 15107 105749 2885437 20198059