Search a number
-
+
53898786 = 2322994377
BaseRepresentation
bin1100110110011…
…0111000100010
310202102100020100
43031212320202
5102244230121
65203123230
71223063214
oct315467042
9122370210
1053898786
1128473a57
1216073516
13b221b96
1472305b4
154aea026
hex3366e22

53898786 has 12 divisors (see below), whose sum is σ = 116780742. Its totient is φ = 17966256.

The previous prime is 53898781. The next prime is 53898797. The reversal of 53898786 is 68789835.

It is a happy number.

53898786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 31573161 + 22325625 = 5619^2 + 4725^2 .

It is not an unprimeable number, because it can be changed into a prime (53898781) 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 5 ways as a sum of consecutive naturals, for example, 1497171 + ... + 1497206.

Almost surely, 253898786 is an apocalyptic number.

53898786 is an abundant number, since it is smaller than the sum of its proper divisors (62881956).

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

53898786 is a wasteful number, since it uses less digits than its factorization.

53898786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2994385 (or 2994382 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 53898786 is about 7341.5792578981. The cubic root of 53898786 is about 377.7400160705.

The spelling of 53898786 in words is "fifty-three million, eight hundred ninety-eight thousand, seven hundred eighty-six".

Divisors: 1 2 3 6 9 18 2994377 5988754 8983131 17966262 26949393 53898786