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39828011 = 40997379
BaseRepresentation
bin1001011111101…
…1101000101011
32202221110202112
42113323220223
540143444021
63541352535
7662350436
oct227735053
982843675
1039828011
1120533413
121140874b
138336492
14540a81d
15376ad5b
hex25fba2b

39828011 has 4 divisors (see below), whose sum is σ = 39925800. Its totient is φ = 39730224.

The previous prime is 39827999. The next prime is 39828013. The reversal of 39828011 is 11082893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11082893 = 52321191.

It is a cyclic number.

It is not a de Polignac number, because 39828011 - 214 = 39811627 is a prime.

It is a super-2 number, since 2×398280112 = 3172540920432242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39828013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48281 + ... + 49098.

It is an arithmetic number, because the mean of its divisors is an integer number (9981450).

Almost surely, 239828011 is an apocalyptic number.

39828011 is a deficient number, since it is larger than the sum of its proper divisors (97789).

39828011 is an equidigital number, since it uses as much as digits as its factorization.

39828011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97788.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 39828011 is about 6310.9437487590. The cubic root of 39828011 is about 341.5043233770.

The spelling of 39828011 in words is "thirty-nine million, eight hundred twenty-eight thousand, eleven".

Divisors: 1 409 97379 39828011