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28256002 = 219743579
BaseRepresentation
bin110101111001…
…0011100000010
31222011112221121
41223302130002
524213143002
62445342454
7462113005
oct153623402
958145847
1028256002
1114a4a175
129567a2a
135b14238
143a7753c
152732237
hex1af2702

28256002 has 8 divisors (see below), whose sum is σ = 44614800. Its totient is φ = 13384404.

The previous prime is 28255991. The next prime is 28256017. The reversal of 28256002 is 20065282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371752 + ... + 371827.

It is an arithmetic number, because the mean of its divisors is an integer number (5576850).

Almost surely, 228256002 is an apocalyptic number.

28256002 is a deficient number, since it is larger than the sum of its proper divisors (16358798).

28256002 is a wasteful number, since it uses less digits than its factorization.

28256002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743600.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 28256002 is about 5315.6374970459. The cubic root of 28256002 is about 304.5815348735.

The spelling of 28256002 in words is "twenty-eight million, two hundred fifty-six thousand, two".

Divisors: 1 2 19 38 743579 1487158 14128001 28256002