Search a number
-
+
54037321 = 1313730341
BaseRepresentation
bin1100111000100…
…0101101001001
310202200101021021
43032020231021
5102313143241
65210112441
71224211132
oct316105511
9122611237
1054037321
1128559048
121611b721
13b26cc60
147268c89
154b260d1
hex3388b49

54037321 has 8 divisors (see below), whose sum is σ = 58620744. Its totient is φ = 49514880.

The previous prime is 54037307. The next prime is 54037331. The reversal of 54037321 is 12373045.

It can be written as a sum of positive squares in 4 ways, for example, as 176400 + 53860921 = 420^2 + 7339^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54037321 - 25 = 54037289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54037331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13390 + ... + 16951.

It is an arithmetic number, because the mean of its divisors is an integer number (7327593).

Almost surely, 254037321 is an apocalyptic number.

It is an amenable number.

54037321 is a deficient number, since it is larger than the sum of its proper divisors (4583423).

54037321 is a wasteful number, since it uses less digits than its factorization.

54037321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30491.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 54037321 is about 7351.0081621503. The cubic root of 54037321 is about 378.0633717925.

The spelling of 54037321 in words is "fifty-four million, thirty-seven thousand, three hundred twenty-one".

Divisors: 1 13 137 1781 30341 394433 4156717 54037321