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20038485 = 351335899
BaseRepresentation
bin100110001110…
…0001101010101
31101201001122010
41030130031111
520112212420
61553254433
7332216145
oct114341525
941631563
1020038485
1110347235
126864419
1341c7abc
142938925
151b5c4e0
hex131c355

20038485 has 8 divisors (see below), whose sum is σ = 32061600. Its totient is φ = 10687184.

The previous prime is 20038481. The next prime is 20038531. The reversal of 20038485 is 58483002.

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

It is a cyclic number.

It is not a de Polignac number, because 20038485 - 22 = 20038481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20038481) 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, 667935 + ... + 667964.

It is an arithmetic number, because the mean of its divisors is an integer number (4007700).

Almost surely, 220038485 is an apocalyptic number.

It is an amenable number.

20038485 is a deficient number, since it is larger than the sum of its proper divisors (12023115).

20038485 is a wasteful number, since it uses less digits than its factorization.

20038485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335907.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 20038485 is about 4476.4366409009. The cubic root of 20038485 is about 271.6157573734.

The spelling of 20038485 in words is "twenty million, thirty-eight thousand, four hundred eighty-five".

Divisors: 1 3 5 15 1335899 4007697 6679495 20038485