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54140448 = 2532919447
BaseRepresentation
bin1100111010000…
…1111000100000
310202212121201210
43032201320200
5102324443243
65212230120
71225120605
oct316417040
9122777653
1054140448
112861957a
121616b340
13b2a7b8b
1472946ac
154b46933
hex33a1e20

54140448 has 48 divisors (see below), whose sum is σ = 147026880. Its totient is φ = 17423616.

The previous prime is 54140407. The next prime is 54140473. The reversal of 54140448 is 84404145.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6940 + ... + 12507.

It is an arithmetic number, because the mean of its divisors is an integer number (3063060).

Almost surely, 254140448 is an apocalyptic number.

54140448 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

54140448 is an abundant number, since it is smaller than the sum of its proper divisors (92886432).

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

54140448 is a wasteful number, since it uses less digits than its factorization.

54140448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19489 (or 19481 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 54140448 is about 7358.0192986972. The cubic root of 54140448 is about 378.3037227478.

The spelling of 54140448 in words is "fifty-four million, one hundred forty thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 29 32 48 58 87 96 116 174 232 348 464 696 928 1392 2784 19447 38894 58341 77788 116682 155576 233364 311152 466728 563963 622304 933456 1127926 1691889 1866912 2255852 3383778 4511704 6767556 9023408 13535112 18046816 27070224 54140448