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54197305 = 567161783
BaseRepresentation
bin1100111010111…
…1110000111001
310202222111201121
43032233300321
5102333303210
65213345241
71225445431
oct316576071
9122874647
1054197305
1128658268
1216198221
13b2c7a16
1472ab2c1
154b586da
hex33afc39

54197305 has 8 divisors (see below), whose sum is σ = 66007872. Its totient is φ = 42710448.

The previous prime is 54197293. The next prime is 54197333. The reversal of 54197305 is 50379145.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54197305 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80557 + ... + 81226.

It is an arithmetic number, because the mean of its divisors is an integer number (8250984).

Almost surely, 254197305 is an apocalyptic number.

It is an amenable number.

54197305 is a deficient number, since it is larger than the sum of its proper divisors (11810567).

54197305 is a wasteful number, since it uses less digits than its factorization.

54197305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161855.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 54197305 is about 7361.8818925598. The cubic root of 54197305 is about 378.4361049160.

The spelling of 54197305 in words is "fifty-four million, one hundred ninety-seven thousand, three hundred five".

Divisors: 1 5 67 335 161783 808915 10839461 54197305