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54320313 = 3127142573
BaseRepresentation
bin1100111100110…
…1110010111001
310210012202110110
43033031302321
5102401222223
65220134533
71226500155
oct317156271
9123182413
1054320313
1128731723
1216237449
13b33b9c8
147300065
154b7ed93
hex33cdcb9

54320313 has 8 divisors (see below), whose sum is σ = 72997888. Its totient is φ = 35928144.

The previous prime is 54320303. The next prime is 54320323. The reversal of 54320313 is 31302345.

It is an interprime number because it is at equal distance from previous prime (54320303) and next prime (54320323).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54320313 - 25 = 54320281 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 54320313.

It is not an unprimeable number, because it can be changed into a prime (54320303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70906 + ... + 71667.

It is an arithmetic number, because the mean of its divisors is an integer number (9124736).

Almost surely, 254320313 is an apocalyptic number.

It is an amenable number.

54320313 is a deficient number, since it is larger than the sum of its proper divisors (18677575).

54320313 is a wasteful number, since it uses less digits than its factorization.

54320313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142703.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 54320313 is about 7370.2315431742. The cubic root of 54320313 is about 378.7221922967.

Adding to 54320313 its reverse (31302345), we get a palindrome (85622658).

The spelling of 54320313 in words is "fifty-four million, three hundred twenty thousand, three hundred thirteen".

Divisors: 1 3 127 381 142573 427719 18106771 54320313