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54086929 = 132320041
BaseRepresentation
bin1100111001010…
…0110100010001
310202202220022121
43032110310101
5102321240204
65211134241
71224505561
oct316246421
9122686277
1054086929
1128592346
1216144381
13b289700
14727cda1
154b35b54
hex3394d11

54086929 has 6 divisors (see below), whose sum is σ = 58567686. Its totient is φ = 49926240.

The previous prime is 54086917. The next prime is 54086947. The reversal of 54086929 is 92968045.

It can be written as a sum of positive squares in 3 ways, for example, as 5992704 + 48094225 = 2448^2 + 6935^2 .

It is not a de Polignac number, because 54086929 - 25 = 54086897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54086959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159852 + ... + 160189.

It is an arithmetic number, because the mean of its divisors is an integer number (9761281).

Almost surely, 254086929 is an apocalyptic number.

It is an amenable number.

54086929 is a deficient number, since it is larger than the sum of its proper divisors (4480757).

54086929 is a wasteful number, since it uses less digits than its factorization.

54086929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320067 (or 320054 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 54086929 is about 7354.3816191438. The cubic root of 54086929 is about 378.1790278558.

The spelling of 54086929 in words is "fifty-four million, eighty-six thousand, nine hundred twenty-nine".

Divisors: 1 13 169 320041 4160533 54086929