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20470082 = 217957179
BaseRepresentation
bin100111000010…
…1100101000010
31102111222200012
41032011211002
520220020312
62010424522
7335664353
oct116054502
942458605
1020470082
1110611526
126a32142
134319399
142a0bd2a
151be5322
hex1385942

20470082 has 8 divisors (see below), whose sum is σ = 30877200. Its totient is φ = 10177684.

The previous prime is 20470061. The next prime is 20470097. The reversal of 20470082 is 28007402.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28232 + ... + 28947.

It is an arithmetic number, because the mean of its divisors is an integer number (3859650).

Almost surely, 220470082 is an apocalyptic number.

20470082 is a deficient number, since it is larger than the sum of its proper divisors (10407118).

20470082 is a wasteful number, since it uses less digits than its factorization.

20470082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57360.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 20470082 is about 4524.3874723547. The cubic root of 20470082 is about 273.5519788644.

Adding to 20470082 its reverse (28007402), we get a palindrome (48477484).

The spelling of 20470082 in words is "twenty million, four hundred seventy thousand, eighty-two".

Divisors: 1 2 179 358 57179 114358 10235041 20470082