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28797702 = 2323243211
BaseRepresentation
bin110110111011…
…0101100000110
32000012002000120
41231312230012
524333011302
62505122410
7466530213
oct155665406
960162016
1028797702
111528a15a
129789406
135c7397b
143b78b0a
1527dc9bc
hex1b76b06

28797702 has 48 divisors (see below), whose sum is σ = 61900608. Its totient is φ = 8925840.

The previous prime is 28797689. The next prime is 28797707. The reversal of 28797702 is 20779782.

28797702 = T28 + T29 + ... + T556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28797707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136377 + ... + 136587.

It is an arithmetic number, because the mean of its divisors is an integer number (1289596).

Almost surely, 228797702 is an apocalyptic number.

28797702 is an abundant number, since it is smaller than the sum of its proper divisors (33102906).

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

28797702 is a wasteful number, since it uses less digits than its factorization.

28797702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 28797702 is about 5366.3490382196. The cubic root of 28797702 is about 306.5156200597.

The spelling of 28797702 in words is "twenty-eight million, seven hundred ninety-seven thousand, seven hundred two".

Divisors: 1 2 3 6 23 43 46 69 86 129 138 211 258 422 529 633 989 1058 1266 1587 1978 2967 3174 4853 5934 9073 9706 14559 18146 22747 27219 29118 45494 54438 68241 111619 136482 208679 223238 334857 417358 626037 669714 1252074 4799617 9599234 14398851 28797702