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54140413 = 232353931
BaseRepresentation
bin1100111010000…
…1110111111101
310202212121200111
43032201313331
5102324443123
65212230021
71225120525
oct316416775
9122777614
1054140413
1128619548
121616b311
13b2a7b62
147294685
154b4690d
hex33a1dfd

54140413 has 4 divisors (see below), whose sum is σ = 56494368. Its totient is φ = 51786460.

The previous prime is 54140407. The next prime is 54140473. The reversal of 54140413 is 31404145.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54140413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54140473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1176943 + ... + 1176988.

It is an arithmetic number, because the mean of its divisors is an integer number (14123592).

Almost surely, 254140413 is an apocalyptic number.

It is an amenable number.

54140413 is a deficient number, since it is larger than the sum of its proper divisors (2353955).

54140413 is a wasteful number, since it uses less digits than its factorization.

54140413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353954.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 54140413 is about 7358.0169203393. The cubic root of 54140413 is about 378.3036412276.

Adding to 54140413 its reverse (31404145), we get a palindrome (85544558).

The spelling of 54140413 in words is "fifty-four million, one hundred forty thousand, four hundred thirteen".

Divisors: 1 23 2353931 54140413