Search a number
-
+
53946489 = 373313787
BaseRepresentation
bin1100110111001…
…0100001111001
310202111202200010
43031302201321
5102302241424
65204132133
71223352252
oct315624171
9122452603
1053946489
11284a6883
1216097049
13b23a7cc
147243b29
154b09229
hex3372879

53946489 has 16 divisors (see below), whose sum is σ = 73239872. Its totient is φ = 35313408.

The previous prime is 53946463. The next prime is 53946517. The reversal of 53946489 is 98464935.

It is not a de Polignac number, because 53946489 - 211 = 53944441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53946089) 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, 68154 + ... + 68940.

It is an arithmetic number, because the mean of its divisors is an integer number (4577492).

Almost surely, 253946489 is an apocalyptic number.

It is an amenable number.

53946489 is a deficient number, since it is larger than the sum of its proper divisors (19293383).

53946489 is a wasteful number, since it uses less digits than its factorization.

53946489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176.

The product of its digits is 933120, while the sum is 48.

The square root of 53946489 is about 7344.8273635260. The cubic root of 53946489 is about 377.8514225291.

The spelling of 53946489 in words is "fifty-three million, nine hundred forty-six thousand, four hundred eighty-nine".

Divisors: 1 3 73 219 313 787 939 2361 22849 57451 68547 172353 246331 738993 17982163 53946489