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28542008 = 2311324341
BaseRepresentation
bin110110011100…
…0010000111000
31222201002021102
41230320100320
524301321013
62455430532
7464413565
oct154702070
958632242
1028542008
1115125040
129685448
135bb4481
143b0d86c
15278bd58
hex1b38438

28542008 has 16 divisors (see below), whose sum is σ = 58381560. Its totient is φ = 12973600.

The previous prime is 28542001. The next prime is 28542029. The reversal of 28542008 is 80024582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28542001) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 162083 + ... + 162258.

Almost surely, 228542008 is an apocalyptic number.

It is an amenable number.

28542008 is an abundant number, since it is smaller than the sum of its proper divisors (29839552).

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

28542008 is a wasteful number, since it uses less digits than its factorization.

28542008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324358 (or 324354 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 28542008 is about 5342.4720869650. The cubic root of 28542008 is about 305.6057405517.

The spelling of 28542008 in words is "twenty-eight million, five hundred forty-two thousand, eight".

Divisors: 1 2 4 8 11 22 44 88 324341 648682 1297364 2594728 3567751 7135502 14271004 28542008