[go: up one dir, main page]

Search a number
-
+
54153601 = 252121481
BaseRepresentation
bin1100111010010…
…1000110000001
310202220021202221
43032211012001
5102330403401
65212411041
71225204135
oct316450601
9122807687
1054153601
1128628447
1216176a81
13b2b0b68
1472993c5
154b4a7a1
hex33a5181

54153601 has 4 divisors (see below), whose sum is σ = 54177604. Its totient is φ = 54129600.

The previous prime is 54153587. The next prime is 54153611. The reversal of 54153601 is 10635145.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10635145 = 52127029.

It can be written as a sum of positive squares in 2 ways, for example, as 13512976 + 40640625 = 3676^2 + 6375^2 .

It is a cyclic number.

It is not a de Polignac number, because 54153601 - 211 = 54151553 is a prime.

It is a super-2 number, since 2×541536012 = 5865225002534402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54153611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8220 + ... + 13261.

It is an arithmetic number, because the mean of its divisors is an integer number (13544401).

Almost surely, 254153601 is an apocalyptic number.

It is an amenable number.

54153601 is a deficient number, since it is larger than the sum of its proper divisors (24003).

54153601 is a wasteful number, since it uses less digits than its factorization.

54153601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24002.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 54153601 is about 7358.9130311480. The cubic root of 54153601 is about 378.3343555813.

Adding to 54153601 its reverse (10635145), we get a palindrome (64788746).

The spelling of 54153601 in words is "fifty-four million, one hundred fifty-three thousand, six hundred one".

Divisors: 1 2521 21481 54153601