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28753796 = 227188449
BaseRepresentation
bin110110110101…
…1111110000100
32000002211210102
41231223332010
524330110141
62504143232
7466255211
oct155537604
960084712
1028753796
111525a175
129767b18
135c599a6
143b66b08
1527ce99b
hex1b6bf84

28753796 has 6 divisors (see below), whose sum is σ = 50319150. Its totient is φ = 14376896.

The previous prime is 28753759. The next prime is 28753849. The reversal of 28753796 is 69735782.

It can be written as a sum of positive squares in only one way, i.e., 28472896 + 280900 = 5336^2 + 530^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28753796.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3594221 + ... + 3594228.

It is an arithmetic number, because the mean of its divisors is an integer number (8386525).

Almost surely, 228753796 is an apocalyptic number.

It is an amenable number.

28753796 is a deficient number, since it is larger than the sum of its proper divisors (21565354).

28753796 is a wasteful number, since it uses less digits than its factorization.

28753796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7188453 (or 7188451 counting only the distinct ones).

The product of its digits is 635040, while the sum is 47.

The square root of 28753796 is about 5362.2566145234. The cubic root of 28753796 is about 306.3597659564.

The spelling of 28753796 in words is "twenty-eight million, seven hundred fifty-three thousand, seven hundred ninety-six".

Divisors: 1 2 4 7188449 14376898 28753796