Search a number
-
+
53798081 = 1723223617
BaseRepresentation
bin1100110100111…
…0010011000001
310202020020002112
43031032103001
5102233014311
65201025105
71222163501
oct315162301
9122206075
1053798081
1128405327
1216025195
13b1b80ac
147205a01
154aca28b
hex334e4c1

53798081 has 16 divisors (see below), whose sum is σ = 59802624. Its totient is φ = 48136704.

The previous prime is 53798077. The next prime is 53798083. The reversal of 53798081 is 18089735.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 53798081 - 22 = 53798077 is a prime.

It is a super-2 number, since 2×537980812 = 5788467038565122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53798083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86885 + ... + 87501.

It is an arithmetic number, because the mean of its divisors is an integer number (3737664).

Almost surely, 253798081 is an apocalyptic number.

It is an amenable number.

53798081 is a deficient number, since it is larger than the sum of its proper divisors (6004543).

53798081 is a wasteful number, since it uses less digits than its factorization.

53798081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 53798081 is about 7334.7175133062. The cubic root of 53798081 is about 377.5046117297.

The spelling of 53798081 in words is "fifty-three million, seven hundred ninety-eight thousand, eighty-one".

Divisors: 1 17 23 223 391 617 3791 5129 10489 14191 87193 137591 241247 2339047 3164593 53798081