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28454064 = 243592793
BaseRepresentation
bin110110010001…
…0110010110000
31222112121122020
41230202302300
524241012224
62453511440
7463566312
oct154426260
958477566
1028454064
1115074a61
129642580
135b83432
143ac97b2
152770c79
hex1b22cb0

28454064 has 20 divisors (see below), whose sum is σ = 73506456. Its totient is φ = 9484672.

The previous prime is 28454051. The next prime is 28454071. The reversal of 28454064 is 46045482.

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 3 ways as a sum of consecutive naturals, for example, 296349 + ... + 296444.

Almost surely, 228454064 is an apocalyptic number.

28454064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28454064 is an abundant number, since it is smaller than the sum of its proper divisors (45052392).

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

28454064 is a wasteful number, since it uses less digits than its factorization.

28454064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592804 (or 592798 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 28454064 is about 5334.2350904324. The cubic root of 28454064 is about 305.2915388512.

The spelling of 28454064 in words is "twenty-eight million, four hundred fifty-four thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 592793 1185586 1778379 2371172 3556758 4742344 7113516 9484688 14227032 28454064