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28629368 = 2331671723
BaseRepresentation
bin110110100110…
…1100101111000
31222212112002222
41231031211320
524312114433
62501343212
7465226355
oct155154570
958775088
1028629368
1115184739
129707b08
135c15171
143b3362c
1527a7b98
hex1b4d978

28629368 has 32 divisors (see below), whose sum is σ = 56271360. Its totient is φ = 13638240.

The previous prime is 28629361. The next prime is 28629373. The reversal of 28629368 is 86392682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28629361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15755 + ... + 17477.

It is an arithmetic number, because the mean of its divisors is an integer number (1758480).

Almost surely, 228629368 is an apocalyptic number.

It is an amenable number.

28629368 is a deficient number, since it is larger than the sum of its proper divisors (27641992).

28629368 is a wasteful number, since it uses less digits than its factorization.

28629368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827 (or 1823 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 28629368 is about 5350.6418306592. The cubic root of 28629368 is about 305.9172174148.

The spelling of 28629368 in words is "twenty-eight million, six hundred twenty-nine thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 31 62 67 124 134 248 268 536 1723 2077 3446 4154 6892 8308 13784 16616 53413 106826 115441 213652 230882 427304 461764 923528 3578671 7157342 14314684 28629368