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20714982 = 233452497
BaseRepresentation
bin100111100000…
…1010111100110
31102222102121120
41033001113212
520300334412
62015554410
7341034351
oct117012746
942872546
1020714982
1110769522
126b2ba06
1343a39b2
142a73298
151c42b8c
hex13c15e6

20714982 has 8 divisors (see below), whose sum is σ = 41429976. Its totient is φ = 6904992.

The previous prime is 20714977. The next prime is 20714983. The reversal of 20714982 is 28941702.

It is a happy number.

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

20714982 is an admirable number.

It is a super-2 number, since 2×207149822 = 858220958520648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20714983) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1726243 + ... + 1726254.

It is an arithmetic number, because the mean of its divisors is an integer number (5178747).

Almost surely, 220714982 is an apocalyptic number.

20714982 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.

20714982 is a wasteful number, since it uses less digits than its factorization.

20714982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452502.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 20714982 is about 4551.3714416646. The cubic root of 20714982 is about 274.6385642874.

The spelling of 20714982 in words is "twenty million, seven hundred fourteen thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 3452497 6904994 10357491 20714982