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28753276 = 2257112589
BaseRepresentation
bin110110110101…
…1110101111100
32000002211002011
41231223311330
524330101101
62504141004
7466253536
oct155536574
960084064
1028753276
1115259842
129767764
135c59696
143b66856
1527ce751
hex1b6bd7c

28753276 has 12 divisors (see below), whose sum is σ = 50410360. Its totient is φ = 14350320.

The previous prime is 28753253. The next prime is 28753279. The reversal of 28753276 is 67235782.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28753279) 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 in 3 ways as a sum of consecutive naturals, for example, 4011 + ... + 8578.

Almost surely, 228753276 is an apocalyptic number.

It is an amenable number.

28753276 is a deficient number, since it is larger than the sum of its proper divisors (21657084).

28753276 is a wasteful number, since it uses less digits than its factorization.

28753276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13164 (or 13162 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 28753276 is about 5362.2081272550. The cubic root of 28753276 is about 306.3579191505.

The spelling of 28753276 in words is "twenty-eight million, seven hundred fifty-three thousand, two hundred seventy-six".

Divisors: 1 2 4 571 1142 2284 12589 25178 50356 7188319 14376638 28753276