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54887850 = 23252283431
BaseRepresentation
bin1101000101100…
…0010110101010
310211021120222100
43101120112222
5103022402400
65240234230
71234352613
oct321302652
9124246870
1054887850
1128a8a066
121646b976
13b4aa124
14740ac0a
154c43100
hex34585aa

54887850 has 72 divisors (see below), whose sum is σ = 148329792. Its totient is φ = 14551200.

The previous prime is 54887839. The next prime is 54887851. The reversal of 54887850 is 5878845.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 54887796 and 54887805.

It is not an unprimeable number, because it can be changed into a prime (54887851) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 127135 + ... + 127565.

It is an arithmetic number, because the mean of its divisors is an integer number (2060136).

Almost surely, 254887850 is an apocalyptic number.

54887850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 54887850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74164896).

54887850 is an abundant number, since it is smaller than the sum of its proper divisors (93441942).

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

54887850 is a wasteful number, since it uses less digits than its factorization.

54887850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 54887850 is about 7408.6334772345. The cubic root of 54887850 is about 380.0365846587.

The spelling of 54887850 in words is "fifty-four million, eight hundred eighty-seven thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 283 431 450 566 849 862 1293 1415 1698 2155 2547 2586 2830 3879 4245 4310 5094 6465 7075 7758 8490 10775 12735 12930 14150 19395 21225 21550 25470 32325 38790 42450 63675 64650 96975 121973 127350 193950 243946 365919 609865 731838 1097757 1219730 1829595 2195514 3049325 3659190 5488785 6098650 9147975 10977570 18295950 27443925 54887850