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54455142 = 2371296551
BaseRepresentation
bin1100111110111…
…0101101100110
310210110121102010
43033232231212
5102420031032
65223055050
71230601230
oct317565546
9123417363
1054455142
1128813a55
12162a1486
13b3881a1
147337250
154ba9ccc
hex33eeb66

54455142 has 16 divisors (see below), whose sum is σ = 124468992. Its totient is φ = 15558600.

The previous prime is 54455123. The next prime is 54455161. The reversal of 54455142 is 24155445.

It is an interprime number because it is at equal distance from previous prime (54455123) and next prime (54455161).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 648234 + ... + 648317.

It is an arithmetic number, because the mean of its divisors is an integer number (7779312).

Almost surely, 254455142 is an apocalyptic number.

54455142 is an abundant number, since it is smaller than the sum of its proper divisors (70013850).

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

54455142 is a wasteful number, since it uses less digits than its factorization.

54455142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296563.

The product of its digits is 16000, while the sum is 30.

The square root of 54455142 is about 7379.3727375706. The cubic root of 54455142 is about 379.0352768012.

The spelling of 54455142 in words is "fifty-four million, four hundred fifty-five thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 1296551 2593102 3889653 7779306 9075857 18151714 27227571 54455142