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20104198 = 213197621
BaseRepresentation
bin100110010110…
…0010000000110
31101211101202221
41030230100012
520121313243
61554522554
7332611552
oct114542006
941741687
1020104198
1110391644
12689645a
13421b99a
142954862
151b71bed
hex132c406

20104198 has 8 divisors (see below), whose sum is σ = 30183120. Its totient is φ = 10043160.

The previous prime is 20104193. The next prime is 20104199. The reversal of 20104198 is 89140102.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1173 + ... + 6448.

It is an arithmetic number, because the mean of its divisors is an integer number (3772890).

Almost surely, 220104198 is an apocalyptic number.

20104198 is a deficient number, since it is larger than the sum of its proper divisors (10078922).

20104198 is a wasteful number, since it uses less digits than its factorization.

20104198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8942.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 20104198 is about 4483.7705115226. The cubic root of 20104198 is about 271.9123401922.

It can be divided in two parts, 20104 and 198, that added together give a palindrome (20302).

The spelling of 20104198 in words is "twenty million, one hundred four thousand, one hundred ninety-eight".

Divisors: 1 2 1319 2638 7621 15242 10052099 20104198