Search a number
-
+
53945512 = 236743189
BaseRepresentation
bin1100110111001…
…0010010101000
310202111201022221
43031302102220
5102302224022
65204123424
71223346355
oct315622250
9122451287
1053945512
11284a6075
1216096574
13b23a22a
14724362c
154b08cc7
hex33724a8

53945512 has 8 divisors (see below), whose sum is σ = 101147850. Its totient is φ = 26972752.

The previous prime is 53945501. The next prime is 53945513. The reversal of 53945512 is 21554935.

It can be written as a sum of positive squares in only one way, i.e., 45616516 + 8328996 = 6754^2 + 2886^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (53945513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3371587 + ... + 3371602.

Almost surely, 253945512 is an apocalyptic number.

It is an amenable number.

53945512 is a deficient number, since it is larger than the sum of its proper divisors (47202338).

53945512 is a wasteful number, since it uses less digits than its factorization.

53945512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6743195 (or 6743191 counting only the distinct ones).

The product of its digits is 27000, while the sum is 34.

The square root of 53945512 is about 7344.7608538332. The cubic root of 53945512 is about 377.8491414843.

The spelling of 53945512 in words is "fifty-three million, nine hundred forty-five thousand, five hundred twelve".

Divisors: 1 2 4 8 6743189 13486378 26972756 53945512