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54198361 = 722943887
BaseRepresentation
bin1100111011000…
…0000001011001
310202222120011201
43032300001121
5102333321421
65213354201
71225451500
oct316600131
9122876151
1054198361
1128659038
1216198961
13b2c8349
1472ab837
154b58b91
hex33b0059

54198361 has 24 divisors (see below), whose sum is σ = 66813120. Its totient is φ = 43761312.

The previous prime is 54198349. The next prime is 54198367. The reversal of 54198361 is 16389145.

It is not a de Polignac number, because 54198361 - 211 = 54196313 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 54198361.

It is not an unprimeable number, because it can be changed into a prime (54198367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60660 + ... + 61546.

It is an arithmetic number, because the mean of its divisors is an integer number (2783880).

Almost surely, 254198361 is an apocalyptic number.

It is an amenable number.

54198361 is a deficient number, since it is larger than the sum of its proper divisors (12614759).

54198361 is a wasteful number, since it uses less digits than its factorization.

54198361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973 (or 966 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 54198361 is about 7361.9536130025. The cubic root of 54198361 is about 378.4385627622.

The spelling of 54198361 in words is "fifty-four million, one hundred ninety-eight thousand, three hundred sixty-one".

Divisors: 1 7 29 43 49 203 301 887 1247 1421 2107 6209 8729 25723 38141 43463 61103 180061 266987 1106089 1260427 1868909 7742623 54198361