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54782142 = 239130357
BaseRepresentation
bin1101000011111…
…0100010111110
310211002012222020
43100332202332
5103011012032
65234101010
71233432462
oct320764276
9124065866
1054782142
1128a176a8
121641a766
13b470c8c
1473c04a2
154c21b2c
hex343e8be

54782142 has 8 divisors (see below), whose sum is σ = 109564296. Its totient is φ = 18260712.

The previous prime is 54782099. The next prime is 54782153. The reversal of 54782142 is 24128745.

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

54782142 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4565173 + ... + 4565184.

It is an arithmetic number, because the mean of its divisors is an integer number (13695537).

Almost surely, 254782142 is an apocalyptic number.

54782142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

54782142 is a wasteful number, since it uses less digits than its factorization.

54782142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9130362.

The product of its digits is 17920, while the sum is 33.

The square root of 54782142 is about 7401.4959298780. The cubic root of 54782142 is about 379.7924582296.

The spelling of 54782142 in words is "fifty-four million, seven hundred eighty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 9130357 18260714 27391071 54782142