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28716008 = 235983733
BaseRepresentation
bin110110110001…
…0101111101000
32000000220221212
41231202233220
524322403013
62503252252
7466040066
oct155425750
960026855
1028716008
1115233842
12974a088
135c45729
143b57036
1527c36a8
hex1b62be8

28716008 has 32 divisors (see below), whose sum is σ = 55490400. Its totient is φ = 13925568.

The previous prime is 28716001. The next prime is 28716041. The reversal of 28716008 is 80061782.

It is not an unprimeable number, because it can be changed into a prime (28716001) 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, 38810 + ... + 39542.

It is an arithmetic number, because the mean of its divisors is an integer number (1734075).

Almost surely, 228716008 is an apocalyptic number.

It is an amenable number.

28716008 is a deficient number, since it is larger than the sum of its proper divisors (26774392).

28716008 is a wasteful number, since it uses less digits than its factorization.

28716008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 28716008 is about 5358.7319395544. The cubic root of 28716008 is about 306.2255019693.

The spelling of 28716008 in words is "twenty-eight million, seven hundred sixteen thousand, eight".

Divisors: 1 2 4 8 59 83 118 166 236 332 472 664 733 1466 2932 4897 5864 9794 19588 39176 43247 60839 86494 121678 172988 243356 345976 486712 3589501 7179002 14358004 28716008