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54230461 = 75172211
BaseRepresentation
bin1100111011011…
…1110110111101
310210001012012121
43032313312331
5102340333321
65214202541
71225644205
oct316676675
9123035177
1054230461
112868016a
12161b3451
13b309b3c
1472b9405
154b63441
hex33b7dbd

54230461 has 4 divisors (see below), whose sum is σ = 54303424. Its totient is φ = 54157500.

The previous prime is 54230453. The next prime is 54230467. The reversal of 54230461 is 16403245.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16403245 = 53280649.

It is a cyclic number.

It is not a de Polignac number, because 54230461 - 23 = 54230453 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 (54230467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35355 + ... + 36856.

It is an arithmetic number, because the mean of its divisors is an integer number (13575856).

Almost surely, 254230461 is an apocalyptic number.

It is an amenable number.

54230461 is a deficient number, since it is larger than the sum of its proper divisors (72963).

54230461 is an equidigital number, since it uses as much as digits as its factorization.

54230461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72962.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 54230461 is about 7364.1334181287. The cubic root of 54230461 is about 378.5132604724.

The spelling of 54230461 in words is "fifty-four million, two hundred thirty thousand, four hundred sixty-one".

Divisors: 1 751 72211 54230461