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39853049 = 172344297
BaseRepresentation
bin1001100000000…
…1101111111001
32202222202002212
42120001233321
540200244144
63542104505
7662513435
oct230015771
982882085
1039853049
1120550205
121141b135
1383449b2
1454159c5
15377349e
hex2601bf9

39853049 has 4 divisors (see below), whose sum is σ = 42197364. Its totient is φ = 37508736.

The previous prime is 39853003. The next prime is 39853057. The reversal of 39853049 is 94035893.

39853049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11155600 + 28697449 = 3340^2 + 5357^2 .

It is a cyclic number.

It is not a de Polignac number, because 39853049 - 212 = 39848953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39852997 and 39853015.

It is not an unprimeable number, because it can be changed into a prime (39853349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1172132 + ... + 1172165.

It is an arithmetic number, because the mean of its divisors is an integer number (10549341).

Almost surely, 239853049 is an apocalyptic number.

It is an amenable number.

39853049 is a deficient number, since it is larger than the sum of its proper divisors (2344315).

39853049 is a wasteful number, since it uses less digits than its factorization.

39853049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344314.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 39853049 is about 6312.9271340639. The cubic root of 39853049 is about 341.5758709627.

The spelling of 39853049 in words is "thirty-nine million, eight hundred fifty-three thousand, forty-nine".

Divisors: 1 17 2344297 39853049