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54452321 = 7116111593
BaseRepresentation
bin1100111110111…
…0000001100001
310210110110112122
43033232001201
5102414433241
65223034025
71230560060
oct317560141
9123413478
1054452321
1128811920
121629b915
13b386b11
1473361d7
154ba904b
hex33ee061

54452321 has 16 divisors (see below), whose sum is σ = 69007488. Its totient is φ = 41731200.

The previous prime is 54452317. The next prime is 54452323. The reversal of 54452321 is 12325445.

It is a happy number.

54452321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54452321 - 22 = 54452317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54452323) 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 15 ways as a sum of consecutive naturals, for example, 1100 + ... + 10493.

It is an arithmetic number, because the mean of its divisors is an integer number (4312968).

Almost surely, 254452321 is an apocalyptic number.

It is an amenable number.

54452321 is a deficient number, since it is larger than the sum of its proper divisors (14555167).

54452321 is a wasteful number, since it uses less digits than its factorization.

54452321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11672.

The product of its digits is 4800, while the sum is 26.

The square root of 54452321 is about 7379.1815941878. The cubic root of 54452321 is about 379.0287314935.

Adding to 54452321 its reverse (12325445), we get a palindrome (66777766).

The spelling of 54452321 in words is "fifty-four million, four hundred fifty-two thousand, three hundred twenty-one".

Divisors: 1 7 11 61 77 427 671 4697 11593 81151 127523 707173 892661 4950211 7778903 54452321