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54890158 = 227445079
BaseRepresentation
bin1101000101100…
…0111010101110
310211021201010211
43101120322232
5103022441113
65240253034
71234362421
oct321307256
9124251124
1054890158
1128a90874
121647117a
13b4ab1ab
14740b9b8
154c43b3d
hex3458eae

54890158 has 4 divisors (see below), whose sum is σ = 82335240. Its totient is φ = 27445078.

The previous prime is 54890149. The next prime is 54890159. The reversal of 54890158 is 85109845.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85109845 = 517021969.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 54890158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54890159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13722538 + ... + 13722541.

It is an arithmetic number, because the mean of its divisors is an integer number (20583810).

Almost surely, 254890158 is an apocalyptic number.

54890158 is a deficient number, since it is larger than the sum of its proper divisors (27445082).

54890158 is a wasteful number, since it uses less digits than its factorization.

54890158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27445081.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 54890158 is about 7408.7892398151. The cubic root of 54890158 is about 380.0419113514.

The spelling of 54890158 in words is "fifty-four million, eight hundred ninety thousand, one hundred fifty-eight".

Divisors: 1 2 27445079 54890158