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54243605 = 5131276571
BaseRepresentation
bin1100111011101…
…1000100010101
310210001212020102
43032323010111
5102341243410
65214343445
71226030423
oct316730425
9123055212
1054243605
112868a029
12161bab85
13b312b10
1472c0113
154b672a5
hex33bb115

54243605 has 16 divisors (see below), whose sum is σ = 70662144. Its totient is φ = 39735360.

The previous prime is 54243587. The next prime is 54243649. The reversal of 54243605 is 50634245.

It is not a de Polignac number, because 54243605 - 214 = 54227221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4970 + ... + 11540.

It is an arithmetic number, because the mean of its divisors is an integer number (4416384).

Almost surely, 254243605 is an apocalyptic number.

It is an amenable number.

54243605 is a deficient number, since it is larger than the sum of its proper divisors (16418539).

54243605 is a wasteful number, since it uses less digits than its factorization.

54243605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6716.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 54243605 is about 7365.0257976466. The cubic root of 54243605 is about 378.5438384680.

The spelling of 54243605 in words is "fifty-four million, two hundred forty-three thousand, six hundred five".

Divisors: 1 5 13 65 127 635 1651 6571 8255 32855 85423 427115 834517 4172585 10848721 54243605