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54143074 = 227071537
BaseRepresentation
bin1100111010001…
…0100001100010
310202212202100001
43032202201202
5102330034244
65212250214
71225131346
oct316424142
9122782301
1054143074
1128620547
121617096a
13b2a912b
147295626
154b475d4
hex33a2862

54143074 has 4 divisors (see below), whose sum is σ = 81214614. Its totient is φ = 27071536.

The previous prime is 54143071. The next prime is 54143077. The reversal of 54143074 is 47034145.

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

It is an interprime number because it is at equal distance from previous prime (54143071) and next prime (54143077).

It can be written as a sum of positive squares in only one way, i.e., 43626025 + 10517049 = 6605^2 + 3243^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (54143071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13535767 + ... + 13535770.

Almost surely, 254143074 is an apocalyptic number.

54143074 is a deficient number, since it is larger than the sum of its proper divisors (27071540).

54143074 is a wasteful number, since it uses less digits than its factorization.

54143074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27071539.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 54143074 is about 7358.1977412951. The cubic root of 54143074 is about 378.3098389977.

The spelling of 54143074 in words is "fifty-four million, one hundred forty-three thousand, seventy-four".

Divisors: 1 2 27071537 54143074