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52663854 = 2331283139
BaseRepresentation
bin1100100011100…
…1011000101110
310200002121020010
43020321120232
5101440220404
65120434050
71206430635
oct310713056
9120077203
1052663854
1127800151
1215778926
13ababa59
146dcc51c
154954189
hex323962e

52663854 has 16 divisors (see below), whose sum is σ = 108725760. Its totient is φ = 16988280.

The previous prime is 52663837. The next prime is 52663861. The reversal of 52663854 is 45836625.

52663854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 141384 + ... + 141755.

It is an arithmetic number, because the mean of its divisors is an integer number (6795360).

Almost surely, 252663854 is an apocalyptic number.

52663854 is an abundant number, since it is smaller than the sum of its proper divisors (56061906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52663854 is a wasteful number, since it uses less digits than its factorization.

52663854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283175.

The product of its digits is 172800, while the sum is 39.

The square root of 52663854 is about 7256.9865646837. The cubic root of 52663854 is about 374.8327645417.

The spelling of 52663854 in words is "fifty-two million, six hundred sixty-three thousand, eight hundred fifty-four".

Divisors: 1 2 3 6 31 62 93 186 283139 566278 849417 1698834 8777309 17554618 26331927 52663854