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28965368 = 233620671
BaseRepresentation
bin110111001111…
…1100111111000
32000111121000102
41232133213320
524403342433
62512454532
7501126065
oct156374770
960447012
1028965368
1115394123
12984a448
136002093
143bbdc6c
1528224e8
hex1b9f9f8

28965368 has 8 divisors (see below), whose sum is σ = 54310080. Its totient is φ = 14482680.

The previous prime is 28965361. The next prime is 28965389. The reversal of 28965368 is 86356982.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28965361) by changing a digit.

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 as a sum of consecutive naturals, namely, 1810328 + ... + 1810343.

It is an arithmetic number, because the mean of its divisors is an integer number (6788760).

Almost surely, 228965368 is an apocalyptic number.

It is an amenable number.

28965368 is a deficient number, since it is larger than the sum of its proper divisors (25344712).

28965368 is a wasteful number, since it uses less digits than its factorization.

28965368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620677 (or 3620673 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 28965368 is about 5381.9483460918. The cubic root of 28965368 is about 307.1093344546.

The spelling of 28965368 in words is "twenty-eight million, nine hundred sixty-five thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 3620671 7241342 14482684 28965368