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20675714 = 210337857
BaseRepresentation
bin100111011011…
…1110010000010
31102220102202012
41032313302002
520243110324
62015052522
7340512023
oct116676202
942812665
1020675714
1110741a74
126b11142
13438bb67
142a62c4a
151c3620e
hex13b7c82

20675714 has 4 divisors (see below), whose sum is σ = 31013574. Its totient is φ = 10337856.

The previous prime is 20675713. The next prime is 20675719. The reversal of 20675714 is 41757602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20295025 + 380689 = 4505^2 + 617^2 .

It is not an unprimeable number, because it can be changed into a prime (20675713) 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 as a sum of consecutive naturals, namely, 5168927 + ... + 5168930.

Almost surely, 220675714 is an apocalyptic number.

20675714 is a deficient number, since it is larger than the sum of its proper divisors (10337860).

20675714 is a wasteful number, since it uses less digits than its factorization.

20675714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10337859.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 20675714 is about 4547.0555307803. The cubic root of 20675714 is about 274.4649165572.

The spelling of 20675714 in words is "twenty million, six hundred seventy-five thousand, seven hundred fourteen".

Divisors: 1 2 10337857 20675714