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54180156 = 22317349761
BaseRepresentation
bin1100111010101…
…1100100111100
310202221122012110
43032223210330
5102332231111
65213134020
71225344432
oct316534474
9122848173
1054180156
1128646398
121618a310
13b2bcc84
1472a4d52
154b535a6
hex33ab93c

54180156 has 48 divisors (see below), whose sum is σ = 134416800. Its totient is φ = 16926720.

The previous prime is 54180121. The next prime is 54180167. The reversal of 54180156 is 65108145.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70816 + ... + 71576.

It is an arithmetic number, because the mean of its divisors is an integer number (2800350).

Almost surely, 254180156 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 54180156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67208400).

54180156 is an abundant number, since it is smaller than the sum of its proper divisors (80236644).

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

54180156 is a wasteful number, since it uses less digits than its factorization.

54180156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1132 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 54180156 is about 7360.7170846324. The cubic root of 54180156 is about 378.3961860468.

The spelling of 54180156 in words is "fifty-four million, one hundred eighty thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 349 698 761 1047 1396 1522 2094 2283 3044 4188 4566 5933 9132 11866 12937 17799 23732 25874 35598 38811 51748 71196 77622 155244 265589 531178 796767 1062356 1593534 3187068 4515013 9030026 13545039 18060052 27090078 54180156