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53680159 = 134129243
BaseRepresentation
bin1100110011000…
…1100000011111
310202000020100001
43030301200133
5102220231114
65154315131
71221162631
oct314614037
9122006301
1053680159
1128334775
1215b88aa7
13b176510
1471b4a51
154aa5374
hex333181f

53680159 has 4 divisors (see below), whose sum is σ = 57809416. Its totient is φ = 49550904.

The previous prime is 53680153. The next prime is 53680241. The reversal of 53680159 is 95108635.

53680159 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, and also an emirpimes, since its reverse is a distinct semiprime: 95108635 = 519021727.

It is not a de Polignac number, because 53680159 - 213 = 53671967 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53680153) 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, 2064609 + ... + 2064634.

It is an arithmetic number, because the mean of its divisors is an integer number (14452354).

Almost surely, 253680159 is an apocalyptic number.

53680159 is a deficient number, since it is larger than the sum of its proper divisors (4129257).

53680159 is a wasteful number, since it uses less digits than its factorization.

53680159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129256.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 53680159 is about 7326.6744843756. The cubic root of 53680159 is about 377.2285878570.

The spelling of 53680159 in words is "fifty-three million, six hundred eighty thousand, one hundred fifty-nine".

Divisors: 1 13 4129243 53680159