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54220680 = 23325197927
BaseRepresentation
bin1100111011010…
…1011110001000
310210000200210100
43032311132020
5102340030210
65214045400
71225603533
oct316653610
9123020710
1054220680
1128673888
12161a9860
13b305557
1472b5a1a
154b605c0
hex33b5788

54220680 has 96 divisors (see below), whose sum is σ = 185515200. Its totient is φ = 13696128.

The previous prime is 54220679. The next prime is 54220681. The reversal of 54220680 is 8602245.

It is an interprime number because it is at equal distance from previous prime (54220679) and next prime (54220681).

It is not an unprimeable number, because it can be changed into a prime (54220681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2877 + ... + 10803.

It is an arithmetic number, because the mean of its divisors is an integer number (1932450).

Almost surely, 254220680 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 54220680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92757600).

54220680 is an abundant number, since it is smaller than the sum of its proper divisors (131294520).

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

54220680 is a wasteful number, since it uses less digits than its factorization.

54220680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7963 (or 7956 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 54220680 is about 7363.4692910339. The cubic root of 54220680 is about 378.4905029008.

The spelling of 54220680 in words is "fifty-four million, two hundred twenty thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 19 20 24 30 36 38 40 45 57 60 72 76 90 95 114 120 152 171 180 190 228 285 342 360 380 456 570 684 760 855 1140 1368 1710 2280 3420 6840 7927 15854 23781 31708 39635 47562 63416 71343 79270 95124 118905 142686 150613 158540 190248 237810 285372 301226 317080 356715 451839 475620 570744 602452 713430 753065 903678 951240 1204904 1355517 1426860 1506130 1807356 2259195 2711034 2853720 3012260 3614712 4518390 5422068 6024520 6777585 9036780 10844136 13555170 18073560 27110340 54220680