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54429680 = 2451935809
BaseRepresentation
bin1100111110100…
…0011111110000
310210102022111002
43033220133300
5102413222210
65222341132
71230434054
oct317503760
9123368432
1054429680
11287a6908
121628a7a8
13b379716
14732bc64
154ba24a5
hex33e87f0

54429680 has 40 divisors (see below), whose sum is σ = 133213200. Its totient is φ = 20625408.

The previous prime is 54429679. The next prime is 54429703. The reversal of 54429680 is 8692445.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16385 + ... + 19424.

It is an arithmetic number, because the mean of its divisors is an integer number (3330330).

Almost surely, 254429680 is an apocalyptic number.

It is an amenable number.

54429680 is an abundant number, since it is smaller than the sum of its proper divisors (78783520).

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

54429680 is a wasteful number, since it uses less digits than its factorization.

54429680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35841 (or 35835 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 54429680 is about 7377.6473214704. The cubic root of 54429680 is about 378.9761914669.

The spelling of 54429680 in words is "fifty-four million, four hundred twenty-nine thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 760 1520 35809 71618 143236 179045 286472 358090 572944 680371 716180 1360742 1432360 2721484 2864720 3401855 5442968 6803710 10885936 13607420 27214840 54429680