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53299081 = 1147103093
BaseRepresentation
bin1100101101010…
…0011110001001
310201021212121001
43023110132021
5102121032311
65142215001
71215014623
oct313243611
9121255531
1053299081
11280a4430
1215a24461
13b071c24
147115c13
154a2c4c1
hex32d4789

53299081 has 8 divisors (see below), whose sum is σ = 59382144. Its totient is φ = 47422320.

The previous prime is 53299069. The next prime is 53299087. The reversal of 53299081 is 18099235.

53299081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53299081 - 29 = 53298569 is a prime.

It is a super-2 number, since 2×532990812 = 5681584070889122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53299081.

It is not an unprimeable number, because it can be changed into a prime (53299087) 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 7 ways as a sum of consecutive naturals, for example, 51030 + ... + 52063.

It is an arithmetic number, because the mean of its divisors is an integer number (7422768).

Almost surely, 253299081 is an apocalyptic number.

It is an amenable number.

53299081 is a deficient number, since it is larger than the sum of its proper divisors (6083063).

53299081 is a wasteful number, since it uses less digits than its factorization.

53299081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103151.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 53299081 is about 7300.6219598059. The cubic root of 53299081 is about 376.3338125962. Note that the first 3 decimals are identical.

The spelling of 53299081 in words is "fifty-three million, two hundred ninety-nine thousand, eighty-one".

Divisors: 1 11 47 517 103093 1134023 4845371 53299081