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54890242 = 2117135141
BaseRepresentation
bin1101000101100…
…0111100000010
310211021201020221
43101120330002
5103022441432
65240253254
71234362601
oct321307402
9124251227
1054890242
1128a90940
121647122a
13b4ab244
14740ba38
154c43b97
hex3458f02

54890242 has 16 divisors (see below), whose sum is σ = 91088064. Its totient is φ = 24598000.

The previous prime is 54890207. The next prime is 54890273. The reversal of 54890242 is 24209845.

It is a junction number, because it is equal to n+sod(n) for n = 54890198 and 54890207.

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, 16009 + ... + 19132.

It is an arithmetic number, because the mean of its divisors is an integer number (5693004).

Almost surely, 254890242 is an apocalyptic number.

54890242 is a deficient number, since it is larger than the sum of its proper divisors (36197822).

54890242 is a wasteful number, since it uses less digits than its factorization.

54890242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35225.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 54890242 is about 7408.7949087554. The cubic root of 54890242 is about 380.0421052144.

The spelling of 54890242 in words is "fifty-four million, eight hundred ninety thousand, two hundred forty-two".

Divisors: 1 2 11 22 71 142 781 1562 35141 70282 386551 773102 2495011 4990022 27445121 54890242