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54678403 = 1315832657
BaseRepresentation
bin1101000010010…
…1001110000011
310210212221200001
43100211032003
5102444202103
65231540431
71232521153
oct320451603
9123787601
1054678403
112895676a
121638a717
13b4359b0
147394763
154c0101d
hex3425383

54678403 has 8 divisors (see below), whose sum is σ = 58943808. Its totient is φ = 50421504.

The previous prime is 54678367. The next prime is 54678419. The reversal of 54678403 is 30487645.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54678403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54678473) 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 in 7 ways as a sum of consecutive naturals, for example, 19251 + ... + 21907.

It is an arithmetic number, because the mean of its divisors is an integer number (7367976).

Almost surely, 254678403 is an apocalyptic number.

54678403 is a deficient number, since it is larger than the sum of its proper divisors (4265405).

54678403 is a wasteful number, since it uses less digits than its factorization.

54678403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4253.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 54678403 is about 7394.4846338335. The cubic root of 54678403 is about 379.5525735746.

The spelling of 54678403 in words is "fifty-four million, six hundred seventy-eight thousand, four hundred three".

Divisors: 1 13 1583 2657 20579 34541 4206031 54678403