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20104614 = 23210910247
BaseRepresentation
bin100110010110…
…0010110100110
31101211102100100
41030230112212
520121321424
61554524530
7332613015
oct114542646
941742310
1020104614
1110391992
126896746
13421bc2a
142954a7c
151b71dc9
hex132c5a6

20104614 has 24 divisors (see below), whose sum is σ = 43963920. Its totient is φ = 6639408.

The previous prime is 20104589. The next prime is 20104619. The reversal of 20104614 is 41640102.

20104614 is a `hidden beast` number, since 201 + 0 + 461 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3162 + ... + 7085.

It is an arithmetic number, because the mean of its divisors is an integer number (1831830).

Almost surely, 220104614 is an apocalyptic number.

20104614 is an abundant number, since it is smaller than the sum of its proper divisors (23859306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20104614 is a wasteful number, since it uses less digits than its factorization.

20104614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10364 (or 10361 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 20104614 is about 4483.8169008112. The cubic root of 20104614 is about 271.9142156670.

Adding to 20104614 its reverse (41640102), we get a palindrome (61744716).

The spelling of 20104614 in words is "twenty million, one hundred four thousand, six hundred fourteen".

Divisors: 1 2 3 6 9 18 109 218 327 654 981 1962 10247 20494 30741 61482 92223 184446 1116923 2233846 3350769 6701538 10052307 20104614