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28818496 = 26764327
BaseRepresentation
bin110110111101…
…1110001000000
32000020010112201
41231323301000
524334142441
62505402544
7466644640
oct155736100
960203481
1028818496
11152a3843
129799454
135c80285
143b82520
1527e3c31
hex1b7bc40

28818496 has 28 divisors (see below), whose sum is σ = 65357248. Its totient is φ = 12350592.

The previous prime is 28818481. The next prime is 28818511. The reversal of 28818496 is 69481882.

It is an interprime number because it is at equal distance from previous prime (28818481) and next prime (28818511).

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31716 + ... + 32611.

Almost surely, 228818496 is an apocalyptic number.

It is an amenable number.

28818496 is an abundant number, since it is smaller than the sum of its proper divisors (36538752).

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

28818496 is an equidigital number, since it uses as much as digits as its factorization.

28818496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64346 (or 64336 counting only the distinct ones).

The product of its digits is 221184, while the sum is 46.

The square root of 28818496 is about 5368.2861324635. The cubic root of 28818496 is about 306.5893777080.

The spelling of 28818496 in words is "twenty-eight million, eight hundred eighteen thousand, four hundred ninety-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 64327 128654 257308 450289 514616 900578 1029232 1801156 2058464 3602312 4116928 7204624 14409248 28818496