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20384192 = 26318503
BaseRepresentation
bin100110111000…
…0100111000000
31102100121212002
41031300213000
520204243232
62004523132
7335156063
oct115604700
942317762
1020384192
1110562a44
1269b04a8
1342b926a
1429c88da
151bc9b62
hex13709c0

20384192 has 14 divisors (see below), whose sum is σ = 40450008. Its totient is φ = 10192064.

The previous prime is 20384191. The next prime is 20384197. The reversal of 20384192 is 29148302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20384191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159188 + ... + 159315.

Almost surely, 220384192 is an apocalyptic number.

It is an amenable number.

20384192 is a deficient number, since it is larger than the sum of its proper divisors (20065816).

20384192 is an equidigital number, since it uses as much as digits as its factorization.

20384192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318515 (or 318505 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 20384192 is about 4514.8856020945. The cubic root of 20384192 is about 273.1688454449.

The spelling of 20384192 in words is "twenty million, three hundred eighty-four thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 32 64 318503 637006 1274012 2548024 5096048 10192096 20384192