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20541703 = 713225733
BaseRepresentation
bin100111001011…
…1000100000111
31102122121220211
41032113010013
520224313303
62012140251
7336413230
oct116270407
942577824
1020541703
1110660316
126a67687
134342b70
142a2a087
151c0b66d
hex1397107

20541703 has 8 divisors (see below), whose sum is σ = 25282208. Its totient is φ = 16252704.

The previous prime is 20541701. The next prime is 20541707. The reversal of 20541703 is 30714502.

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

It is not a de Polignac number, because 20541703 - 21 = 20541701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20541701) 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, 112776 + ... + 112957.

It is an arithmetic number, because the mean of its divisors is an integer number (3160276).

Almost surely, 220541703 is an apocalyptic number.

20541703 is a deficient number, since it is larger than the sum of its proper divisors (4740505).

20541703 is a wasteful number, since it uses less digits than its factorization.

20541703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225753.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 20541703 is about 4532.2955552347. The cubic root of 20541703 is about 273.8706432926.

The spelling of 20541703 in words is "twenty million, five hundred forty-one thousand, seven hundred three".

Divisors: 1 7 13 91 225733 1580131 2934529 20541703