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54240701 = 291870369
BaseRepresentation
bin1100111011101…
…0010110111101
310210001201020212
43032322112331
5102341200301
65214322205
71226016104
oct316722675
9123051225
1054240701
1128687929
12161b9365
13b3116b8
1472bd03b
154b664bb
hex33ba5bd

54240701 has 4 divisors (see below), whose sum is σ = 56111100. Its totient is φ = 52370304.

The previous prime is 54240653. The next prime is 54240707. The reversal of 54240701 is 10704245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10704245 = 52140849.

It can be written as a sum of positive squares in 2 ways, for example, as 17347225 + 36893476 = 4165^2 + 6074^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54240701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54240707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935156 + ... + 935213.

It is an arithmetic number, because the mean of its divisors is an integer number (14027775).

Almost surely, 254240701 is an apocalyptic number.

It is an amenable number.

54240701 is a deficient number, since it is larger than the sum of its proper divisors (1870399).

54240701 is a wasteful number, since it uses less digits than its factorization.

54240701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870398.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 54240701 is about 7364.8286470223. The cubic root of 54240701 is about 378.5370830731.

Adding to 54240701 its reverse (10704245), we get a palindrome (64944946).

The spelling of 54240701 in words is "fifty-four million, two hundred forty thousand, seven hundred one".

Divisors: 1 29 1870369 54240701