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20896038 = 2326119031
BaseRepresentation
bin100111110110…
…1100100100110
31110022121222100
41033231210212
520322133123
62023512530
7342420252
oct117554446
943277870
1020896038
1110882559
126bb8746
134438227
142abd262
151c7b643
hex13ed926

20896038 has 24 divisors (see below), whose sum is σ = 46019376. Its totient is φ = 6850800.

The previous prime is 20896013. The next prime is 20896039. The reversal of 20896038 is 83069802.

It is a junction number, because it is equal to n+sod(n) for n = 20895993 and 20896011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20896039) 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, 8418 + ... + 10613.

It is an arithmetic number, because the mean of its divisors is an integer number (1917474).

Almost surely, 220896038 is an apocalyptic number.

20896038 is an abundant number, since it is smaller than the sum of its proper divisors (25123338).

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

20896038 is a wasteful number, since it uses less digits than its factorization.

20896038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19100 (or 19097 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 20896038 is about 4571.2184371347. The cubic root of 20896038 is about 275.4363892344.

The spelling of 20896038 in words is "twenty million, eight hundred ninety-six thousand, thirty-eight".

Divisors: 1 2 3 6 9 18 61 122 183 366 549 1098 19031 38062 57093 114186 171279 342558 1160891 2321782 3482673 6965346 10448019 20896038