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54706140 = 22325313971
BaseRepresentation
bin1101000010101…
…1111111011100
310210221100201100
43100223333130
5103001044030
65232313100
71232665056
oct320537734
9123840640
1054706140
1128975595
12163a2790
13b4454c8
1473a08d6
154c09360
hex342bfdc

54706140 has 72 divisors (see below), whose sum is σ = 166643568. Its totient is φ = 14526720.

The previous prime is 54706133. The next prime is 54706193. The reversal of 54706140 is 4160745.

54706140 is a `hidden beast` number, since 5 + 47 + 0 + 614 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55855 + ... + 56825.

It is an arithmetic number, because the mean of its divisors is an integer number (2314494).

Almost surely, 254706140 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 54706140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83321784).

54706140 is an abundant number, since it is smaller than the sum of its proper divisors (111937428).

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

54706140 is a wasteful number, since it uses less digits than its factorization.

54706140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299 (or 1294 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 54706140 is about 7396.3599155260. The cubic root of 54706140 is about 379.6167419331.

Adding to 54706140 its reverse (4160745), we get a palindrome (58866885).

The spelling of 54706140 in words is "fifty-four million, seven hundred six thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 313 626 939 971 1252 1565 1878 1942 2817 2913 3130 3756 3884 4695 4855 5634 5826 6260 8739 9390 9710 11268 11652 14085 14565 17478 18780 19420 28170 29130 34956 43695 56340 58260 87390 174780 303923 607846 911769 1215692 1519615 1823538 2735307 3039230 3647076 4558845 5470614 6078460 9117690 10941228 13676535 18235380 27353070 54706140