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28274696 = 233534337
BaseRepresentation
bin110101111011…
…1000000001000
31222012111120222
41223313000020
524214242241
62450005212
7462221342
oct153670010
958174528
1028274696
1114a6221a
129576808
135b1c8b8
143a80292
152737a4b
hex1af7008

28274696 has 8 divisors (see below), whose sum is σ = 53015070. Its totient is φ = 14137344.

The previous prime is 28274671. The next prime is 28274699. The reversal of 28274696 is 69647282.

It can be written as a sum of positive squares in only one way, i.e., 28238596 + 36100 = 5314^2 + 190^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×282746963 (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28274699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1767161 + ... + 1767176.

Almost surely, 228274696 is an apocalyptic number.

It is an amenable number.

28274696 is a deficient number, since it is larger than the sum of its proper divisors (24740374).

28274696 is a wasteful number, since it uses less digits than its factorization.

28274696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534343 (or 3534339 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 28274696 is about 5317.3956031125. The cubic root of 28274696 is about 304.6486898329.

The spelling of 28274696 in words is "twenty-eight million, two hundred seventy-four thousand, six hundred ninety-six".

Divisors: 1 2 4 8 3534337 7068674 14137348 28274696