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54210072 = 23372311487
BaseRepresentation
bin1100111011001…
…0111000011000
310210000011020110
43032302320120
5102334210242
65213524320
71225530600
oct316627030
9123004213
1054210072
1128666914
12161a36a0
13b300787
1472b1c00
154b5c39c
hex33b2e18

54210072 has 96 divisors (see below), whose sum is σ = 162846720. Its totient is φ = 14978880.

The previous prime is 54210071. The next prime is 54210073. The reversal of 54210072 is 27001245.

54210072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (54210071) and next prime (54210073).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54210071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35713 + ... + 37199.

It is an arithmetic number, because the mean of its divisors is an integer number (1696320).

Almost surely, 254210072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54210072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81423360).

54210072 is an abundant number, since it is smaller than the sum of its proper divisors (108636648).

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

54210072 is a wasteful number, since it uses less digits than its factorization.

54210072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541 (or 1530 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 54210072 is about 7362.7489431597. The cubic root of 54210072 is about 378.4658180442.

The spelling of 54210072 in words is "fifty-four million, two hundred ten thousand, seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 31 42 49 56 62 84 93 98 124 147 168 186 196 217 248 294 372 392 434 588 651 744 868 1176 1302 1487 1519 1736 2604 2974 3038 4461 4557 5208 5948 6076 8922 9114 10409 11896 12152 17844 18228 20818 31227 35688 36456 41636 46097 62454 72863 83272 92194 124908 138291 145726 184388 218589 249816 276582 291452 322679 368776 437178 553164 582904 645358 874356 968037 1106328 1290716 1748712 1936074 2258753 2581432 3872148 4517506 6776259 7744296 9035012 13552518 18070024 27105036 54210072