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54534145 = 510906829
BaseRepresentation
bin1101000000001…
…0000000000001
310210121121210011
43100002000001
5102430043040
65224504521
71231350451
oct320020001
9123547704
1054534145
1128868346
121631b141
13b3b5133
147357d61
154bc33ea
hex3402001

54534145 has 4 divisors (see below), whose sum is σ = 65440980. Its totient is φ = 43627312.

The previous prime is 54534097. The next prime is 54534157. The reversal of 54534145 is 54143545.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37748736 + 16785409 = 6144^2 + 4097^2 .

It is a cyclic number.

It is not a de Polignac number, because 54534145 - 223 = 46145537 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5453410 + ... + 5453419.

It is an arithmetic number, because the mean of its divisors is an integer number (16360245).

It is a Proth number, since it is equal to 6657 ⋅ 213 + 1 and 6657 < 213.

Almost surely, 254534145 is an apocalyptic number.

It is an amenable number.

54534145 is a deficient number, since it is larger than the sum of its proper divisors (10906835).

54534145 is a wasteful number, since it uses less digits than its factorization.

54534145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10906834.

The product of its digits is 24000, while the sum is 31.

The square root of 54534145 is about 7384.7237592208. The cubic root of 54534145 is about 379.2184884825.

The spelling of 54534145 in words is "fifty-four million, five hundred thirty-four thousand, one hundred forty-five".

Divisors: 1 5 10906829 54534145