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54038478 = 23131783491
BaseRepresentation
bin1100111000100…
…0111111001110
310202200102212010
43032020333032
5102313212403
65210122050
71224214404
oct316107716
9122612763
1054038478
11285599aa
1216120326
13b270640
147269474
154b26603
hex3388fce

54038478 has 64 divisors (see below), whose sum is σ = 124975872. Its totient is φ = 15429120.

The previous prime is 54038473. The next prime is 54038483. The reversal of 54038478 is 87483045.

It is an interprime number because it is at equal distance from previous prime (54038473) and next prime (54038483).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54038473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109813 + ... + 110303.

It is an arithmetic number, because the mean of its divisors is an integer number (1952748).

Almost surely, 254038478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54038478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62487936).

54038478 is an abundant number, since it is smaller than the sum of its proper divisors (70937394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54038478 is a wasteful number, since it uses less digits than its factorization.

54038478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 54038478 is about 7351.0868584176. The cubic root of 54038478 is about 378.0660700277.

The spelling of 54038478 in words is "fifty-four million, thirty-eight thousand, four hundred seventy-eight".

Divisors: 1 2 3 6 13 17 26 34 39 51 78 83 102 166 221 249 442 491 498 663 982 1079 1326 1411 1473 2158 2822 2946 3237 4233 6383 6474 8347 8466 12766 16694 18343 19149 25041 36686 38298 40753 50082 55029 81506 108511 110058 122259 217022 244518 325533 529789 651066 692801 1059578 1385602 1589367 2078403 3178734 4156806 9006413 18012826 27019239 54038478