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54474542 = 257147701
BaseRepresentation
bin1100111111001…
…1011100101110
310210111121000122
43033303130232
5102421141132
65223324542
71231011623
oct317633456
9123447018
1054474542
1128827591
12162b0752
13b393c75
14734034a
154bb0912
hex33f372e

54474542 has 8 divisors (see below), whose sum is σ = 81856632. Its totient is φ = 27189000.

The previous prime is 54474509. The next prime is 54474547. The reversal of 54474542 is 24547445.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×544745422 = 5934951452219528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54474547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22709 + ... + 24992.

It is an arithmetic number, because the mean of its divisors is an integer number (10232079).

Almost surely, 254474542 is an apocalyptic number.

54474542 is a deficient number, since it is larger than the sum of its proper divisors (27382090).

54474542 is a wasteful number, since it uses less digits than its factorization.

54474542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48274.

The product of its digits is 89600, while the sum is 35.

The square root of 54474542 is about 7380.6870953862. The cubic root of 54474542 is about 379.0802827214.

The spelling of 54474542 in words is "fifty-four million, four hundred seventy-four thousand, five hundred forty-two".

Divisors: 1 2 571 1142 47701 95402 27237271 54474542