Search a number
-
+
54144532 = 22131041241
BaseRepresentation
bin1100111010001…
…0111000010100
310202212211100001
43032202320110
5102330111112
65212301044
71225135531
oct316427024
9122784301
1054144532
1128621652
1216171784
13b2a99b0
147295d88
154b47c57
hex33a2e14

54144532 has 12 divisors (see below), whose sum is σ = 102041716. Its totient is φ = 24989760.

The previous prime is 54144491. The next prime is 54144581. The reversal of 54144532 is 23544145.

It can be written as a sum of positive squares in 2 ways, for example, as 36048016 + 18096516 = 6004^2 + 4254^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54144532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520569 + ... + 520672.

Almost surely, 254144532 is an apocalyptic number.

54144532 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

54144532 is a deficient number, since it is larger than the sum of its proper divisors (47897184).

54144532 is a wasteful number, since it uses less digits than its factorization.

54144532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041258 (or 1041256 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 54144532 is about 7358.2968138014. The cubic root of 54144532 is about 378.3132347585.

Adding to 54144532 its reverse (23544145), we get a palindrome (77688677).

The spelling of 54144532 in words is "fifty-four million, one hundred forty-four thousand, five hundred thirty-two".

Divisors: 1 2 4 13 26 52 1041241 2082482 4164964 13536133 27072266 54144532