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54439020 = 22335731381
BaseRepresentation
bin1100111110101…
…0110001101100
310210102210022000
43033222301230
5102414022040
65222452300
71230503226
oct317526154
9123383260
1054439020
1128802929
1216294090
13b380a4c
147331416
154ba5130
hex33eac6c

54439020 has 96 divisors (see below), whose sum is σ = 171810240. Its totient is φ = 14307840.

The previous prime is 54439013. The next prime is 54439027. The reversal of 54439020 is 2093445.

It is an interprime number because it is at equal distance from previous prime (54439013) and next prime (54439027).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54439027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38730 + ... + 40110.

It is an arithmetic number, because the mean of its divisors is an integer number (1789690).

Almost surely, 254439020 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 54439020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85905120).

54439020 is an abundant number, since it is smaller than the sum of its proper divisors (117371220).

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

54439020 is a wasteful number, since it uses less digits than its factorization.

54439020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472 (or 1464 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 54439020 is about 7378.2802874383. The cubic root of 54439020 is about 378.9978673564.

The spelling of 54439020 in words is "fifty-four million, four hundred thirty-nine thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 73 90 108 135 146 180 219 270 292 365 438 540 657 730 876 1095 1314 1381 1460 1971 2190 2628 2762 3285 3942 4143 4380 5524 6570 6905 7884 8286 9855 12429 13140 13810 16572 19710 20715 24858 27620 37287 39420 41430 49716 62145 74574 82860 100813 124290 149148 186435 201626 248580 302439 372870 403252 504065 604878 745740 907317 1008130 1209756 1512195 1814634 2016260 2721951 3024390 3629268 4536585 5443902 6048780 9073170 10887804 13609755 18146340 27219510 54439020