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54798321 = 318266107
BaseRepresentation
bin1101000100001…
…0011111110001
310211010001011110
43101002133301
5103012021241
65234303533
71233530604
oct321023761
9124101143
1054798321
1128a28876
1216427ba9
13b478456
1473c633b
154c26816
hex34427f1

54798321 has 4 divisors (see below), whose sum is σ = 73064432. Its totient is φ = 36532212.

The previous prime is 54798319. The next prime is 54798323. The reversal of 54798321 is 12389745.

54798321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (54798319) and next prime (54798323).

It is not a de Polignac number, because 54798321 - 21 = 54798319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54798321.

It is not an unprimeable number, because it can be changed into a prime (54798323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9133051 + ... + 9133056.

It is an arithmetic number, because the mean of its divisors is an integer number (18266108).

Almost surely, 254798321 is an apocalyptic number.

It is an amenable number.

54798321 is a deficient number, since it is larger than the sum of its proper divisors (18266111).

54798321 is a wasteful number, since it uses less digits than its factorization.

54798321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18266110.

The product of its digits is 60480, while the sum is 39.

The square root of 54798321 is about 7402.5888039253. The cubic root of 54798321 is about 379.8298430241.

The spelling of 54798321 in words is "fifty-four million, seven hundred ninety-eight thousand, three hundred twenty-one".

Divisors: 1 3 18266107 54798321