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54420303 = 373770039
BaseRepresentation
bin1100111110011…
…0001101001111
310210101211121210
43033212031033
5102412422203
65222225503
71230364530
oct317461517
9123354553
1054420303
112879a863
1216285293
13b375382
147328687
154b9e803
hex33e634f

54420303 has 16 divisors (see below), whose sum is σ = 85168640. Its totient is φ = 30256416.

The previous prime is 54420271. The next prime is 54420319. The reversal of 54420303 is 30302445.

It is a happy number.

It is not a de Polignac number, because 54420303 - 25 = 54420271 is a prime.

It is a super-2 number, since 2×544203032 = 5923138757223618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 54420303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54420803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34243 + ... + 35796.

It is an arithmetic number, because the mean of its divisors is an integer number (5323040).

Almost surely, 254420303 is an apocalyptic number.

54420303 is a deficient number, since it is larger than the sum of its proper divisors (30748337).

54420303 is a wasteful number, since it uses less digits than its factorization.

54420303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70086.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 54420303 is about 7377.0117934025. The cubic root of 54420303 is about 378.9544272148.

Adding to 54420303 its reverse (30302445), we get a palindrome (84722748).

The spelling of 54420303 in words is "fifty-four million, four hundred twenty thousand, three hundred three".

Divisors: 1 3 7 21 37 111 259 777 70039 210117 490273 1470819 2591443 7774329 18140101 54420303