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54378946 = 2238391409
BaseRepresentation
bin1100111101110…
…0000111000010
310210022201220001
43033130013002
5102410111241
65221310214
71230133126
oct317340702
9123281801
1054378946
1128771786
121626536a
13b35c5bb
147317586
154b92431
hex33dc1c2

54378946 has 16 divisors (see below), whose sum is σ = 85276800. Its totient is φ = 25957888.

The previous prime is 54378871. The next prime is 54378959. The reversal of 54378946 is 64987345.

54378946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 54378896 and 54378905.

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, 37890 + ... + 39298.

It is an arithmetic number, because the mean of its divisors is an integer number (5329800).

Almost surely, 254378946 is an apocalyptic number.

54378946 is a deficient number, since it is larger than the sum of its proper divisors (30897854).

54378946 is a wasteful number, since it uses less digits than its factorization.

54378946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273.

The product of its digits is 725760, while the sum is 46.

The square root of 54378946 is about 7374.2081608807. The cubic root of 54378946 is about 378.8584067398.

The spelling of 54378946 in words is "fifty-four million, three hundred seventy-eight thousand, nine hundred forty-six".

Divisors: 1 2 23 46 839 1409 1678 2818 19297 32407 38594 64814 1182151 2364302 27189473 54378946