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53838907 = 339115877
BaseRepresentation
bin1100110101100…
…0010000111011
310202022022002121
43031120100323
5102240321112
65201542111
71222423513
oct315302073
9122268077
1053838907
1128432a71
1216044937
13b200855
147216843
154ad7407
hex335843b

53838907 has 4 divisors (see below), whose sum is σ = 53858176. Its totient is φ = 53819640.

The previous prime is 53838901. The next prime is 53838931. The reversal of 53838907 is 70983835.

It is a happy number.

53838907 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 is a cyclic number.

It is not a de Polignac number, because 53838907 - 219 = 53314619 is a prime.

It is the 7338-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53838901) by changing a digit.

It is a nontrivial repunit in base 7337.

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, 4548 + ... + 11329.

It is an arithmetic number, because the mean of its divisors is an integer number (13464544).

Almost surely, 253838907 is an apocalyptic number.

53838907 is a deficient number, since it is larger than the sum of its proper divisors (19269).

53838907 is a wasteful number, since it uses less digits than its factorization.

53838907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19268.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 53838907 is about 7337.5000511073. The cubic root of 53838907 is about 377.6000804778.

It can be divided in two parts, 53838 and 907, that added together give a palindrome (54745).

The spelling of 53838907 in words is "fifty-three million, eight hundred thirty-eight thousand, nine hundred seven".

Divisors: 1 3391 15877 53838907