Search a number
-
+
54361261 = 192861119
BaseRepresentation
bin1100111101011…
…1110010101101
310210021211122001
43033113302231
5102404030021
65221052301
71230030433
oct317276255
9123254561
1054361261
112875a469
1216257091
13b354536
147310d53
154b8c091
hex33d7cad

54361261 has 4 divisors (see below), whose sum is σ = 57222400. Its totient is φ = 51500124.

The previous prime is 54361253. The next prime is 54361273. The reversal of 54361261 is 16216345.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54361261 - 23 = 54361253 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 (54361211) 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, 1430541 + ... + 1430578.

It is an arithmetic number, because the mean of its divisors is an integer number (14305600).

Almost surely, 254361261 is an apocalyptic number.

It is an amenable number.

54361261 is a deficient number, since it is larger than the sum of its proper divisors (2861139).

54361261 is a wasteful number, since it uses less digits than its factorization.

54361261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861138.

The product of its digits is 4320, while the sum is 28.

The square root of 54361261 is about 7373.0089515747. The cubic root of 54361261 is about 378.8173317902.

The spelling of 54361261 in words is "fifty-four million, three hundred sixty-one thousand, two hundred sixty-one".

Divisors: 1 19 2861119 54361261