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54708840 = 23325151969
BaseRepresentation
bin1101000010110…
…0101001101000
310210221111102100
43100230221220
5103001140330
65232333400
71233005664
oct320545150
9123844370
1054708840
112897761a
12163a4260
13b4467c4
1473a18a4
154c0a060
hex342ca68

54708840 has 48 divisors (see below), whose sum is σ = 177804900. Its totient is φ = 14588928.

The previous prime is 54708817. The next prime is 54708853. The reversal of 54708840 is 4880745.

It can be written as a sum of positive squares in 2 ways, for example, as 54199044 + 509796 = 7362^2 + 714^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 54708795 and 54708804.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 75625 + ... + 76344.

Almost surely, 254708840 is an apocalyptic number.

It is an amenable number.

54708840 is an abundant number, since it is smaller than the sum of its proper divisors (123096060).

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

54708840 is a wasteful number, since it uses less digits than its factorization.

54708840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151986 (or 151979 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 54708840 is about 7396.5424354897. The cubic root of 54708840 is about 379.6229871086.

The spelling of 54708840 in words is "fifty-four million, seven hundred eight thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 151969 303938 455907 607876 759845 911814 1215752 1367721 1519690 1823628 2279535 2735442 3039380 3647256 4559070 5470884 6078760 6838605 9118140 10941768 13677210 18236280 27354420 54708840