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54220339 = 124943411
BaseRepresentation
bin1100111011010…
…1011000110011
310210000200022201
43032311120303
5102340022324
65214044031
71225602535
oct316653063
9123020281
1054220339
11286735a8
12161a9617
13b305354
1472b5855
154b60444
hex33b5633

54220339 has 4 divisors (see below), whose sum is σ = 54265000. Its totient is φ = 54175680.

The previous prime is 54220337. The next prime is 54220349. The reversal of 54220339 is 93302245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54220339 - 21 = 54220337 is a prime.

It is a super-2 number, since 2×542203392 = 5879690322549842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54220337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20457 + ... + 22954.

It is an arithmetic number, because the mean of its divisors is an integer number (13566250).

Almost surely, 254220339 is an apocalyptic number.

54220339 is a deficient number, since it is larger than the sum of its proper divisors (44661).

54220339 is a wasteful number, since it uses less digits than its factorization.

54220339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44660.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 54220339 is about 7363.4461361512. The cubic root of 54220339 is about 378.4897094425.

The spelling of 54220339 in words is "fifty-four million, two hundred twenty thousand, three hundred thirty-nine".

Divisors: 1 1249 43411 54220339