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20338608 = 2431812341
BaseRepresentation
bin100110110010…
…1011110110000
31102021022022210
41031211132300
520201313413
62003532120
7334606143
oct115453660
942238283
1020338608
1110531774
12698a040
1342a15a4
1429b605a
151bbb3c3
hex13657b0

20338608 has 40 divisors (see below), whose sum is σ = 52854256. Its totient is φ = 6739200.

The previous prime is 20338561. The next prime is 20338621. The reversal of 20338608 is 80683302.

It is an unprimeable number.

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, 7518 + ... + 9858.

Almost surely, 220338608 is an apocalyptic number.

It is an amenable number.

20338608 is an abundant number, since it is smaller than the sum of its proper divisors (32515648).

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

20338608 is a wasteful number, since it uses less digits than its factorization.

20338608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533 (or 2527 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 20338608 is about 4509.8345867670. The cubic root of 20338608 is about 272.9650695289.

The spelling of 20338608 in words is "twenty million, three hundred thirty-eight thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 181 362 543 724 1086 1448 2172 2341 2896 4344 4682 7023 8688 9364 14046 18728 28092 37456 56184 112368 423721 847442 1271163 1694884 2542326 3389768 5084652 6779536 10169304 20338608