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20069382 = 233344897
BaseRepresentation
bin100110010001…
…1110000000110
31101202122000110
41030203300012
520114210012
61554053450
7332405214
oct114436006
941678013
1020069382
1110368473
12687a286
134208b98
142945cb4
151b6673c
hex1323c06

20069382 has 8 divisors (see below), whose sum is σ = 40138776. Its totient is φ = 6689792.

The previous prime is 20069359. The next prime is 20069383. The reversal of 20069382 is 28396002.

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

20069382 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20069383) 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, 1672443 + ... + 1672454.

It is an arithmetic number, because the mean of its divisors is an integer number (5017347).

Almost surely, 220069382 is an apocalyptic number.

20069382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20069382 is a wasteful number, since it uses less digits than its factorization.

20069382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344902.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 20069382 is about 4479.8863824878. The cubic root of 20069382 is about 271.7552855950.

The spelling of 20069382 in words is "twenty million, sixty-nine thousand, three hundred eighty-two".

Divisors: 1 2 3 6 3344897 6689794 10034691 20069382