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20373829 = 76743441
BaseRepresentation
bin100110110111…
…0000101000101
31102100002122021
41031232011011
520203430304
62004403141
7335113630
oct115560505
942302567
1020373829
1110556183
1269a64b1
1342b4628
1429c4c17
151bc6a54
hex136e145

20373829 has 8 divisors (see below), whose sum is σ = 23632448. Its totient is φ = 17202240.

The previous prime is 20373827. The next prime is 20373841. The reversal of 20373829 is 92837302.

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

It is a cyclic number.

It is not a de Polignac number, because 20373829 - 21 = 20373827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20373794 and 20373803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20373827) 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, 21252 + ... + 22189.

It is an arithmetic number, because the mean of its divisors is an integer number (2954056).

Almost surely, 220373829 is an apocalyptic number.

It is an amenable number.

20373829 is a deficient number, since it is larger than the sum of its proper divisors (3258619).

20373829 is an equidigital number, since it uses as much as digits as its factorization.

20373829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43515.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 20373829 is about 4513.7378080699. The cubic root of 20373829 is about 273.1225460282.

The spelling of 20373829 in words is "twenty million, three hundred seventy-three thousand, eight hundred twenty-nine".

Divisors: 1 7 67 469 43441 304087 2910547 20373829