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54278980 = 2257387707
BaseRepresentation
bin1100111100001…
…1101101000100
310210010122202121
43033003231010
5102343411410
65215215324
71226235520
oct317035504
9123118677
1054278980
1128703668
1216217544
13b325c52
1472ccd80
154b729da
hex33c3b44

54278980 has 24 divisors (see below), whose sum is σ = 130269888. Its totient is φ = 18609888.

The previous prime is 54278971. The next prime is 54278993. The reversal of 54278980 is 8987245.

54278980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193714 + ... + 193993.

It is an arithmetic number, because the mean of its divisors is an integer number (5427912).

Almost surely, 254278980 is an apocalyptic number.

It is an amenable number.

54278980 is an abundant number, since it is smaller than the sum of its proper divisors (75990908).

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

54278980 is a wasteful number, since it uses less digits than its factorization.

54278980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387723 (or 387721 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 54278980 is about 7367.4269592579. The cubic root of 54278980 is about 378.6261097844.

The spelling of 54278980 in words is "fifty-four million, two hundred seventy-eight thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 387707 775414 1550828 1938535 2713949 3877070 5427898 7754140 10855796 13569745 27139490 54278980