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20674323 = 322339859
BaseRepresentation
bin100111011011…
…1011100010011
31102220100211200
41032313130103
520243034243
62015042243
7340504665
oct116673423
942810750
1020674323
1110740a1a
126b10383
13438b337
142a62535
151c35ad3
hex13b7713

20674323 has 12 divisors (see below), whose sum is σ = 29994120. Its totient is φ = 13722336.

The previous prime is 20674307. The next prime is 20674327. The reversal of 20674323 is 32347602.

It is not a de Polignac number, because 20674323 - 24 = 20674307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20674327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2833 + ... + 7026.

It is an arithmetic number, because the mean of its divisors is an integer number (2499510).

Almost surely, 220674323 is an apocalyptic number.

20674323 is a deficient number, since it is larger than the sum of its proper divisors (9319797).

20674323 is a wasteful number, since it uses less digits than its factorization.

20674323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10098 (or 10095 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 20674323 is about 4546.9025720814. The cubic root of 20674323 is about 274.4587613605.

It can be divided in two parts, 206 and 74323, that added together give a square (74529 = 2732).

The spelling of 20674323 in words is "twenty million, six hundred seventy-four thousand, three hundred twenty-three".

Divisors: 1 3 9 233 699 2097 9859 29577 88731 2297147 6891441 20674323