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28884652 = 227221163
BaseRepresentation
bin110111000101…
…1111010101100
32000100111021221
41232023322230
524343302102
62511033124
7500341546
oct156137254
960314257
1028884652
1115339515
12980b7a4
135ca4414
143b9c696
152808637
hex1b8beac

28884652 has 6 divisors (see below), whose sum is σ = 50548148. Its totient is φ = 14442324.

The previous prime is 28884641. The next prime is 28884671. The reversal of 28884652 is 25648882.

It is a super-2 number, since 2×288846522 = 1668646242322208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28884599 and 28884608.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3610578 + ... + 3610585.

Almost surely, 228884652 is an apocalyptic number.

It is an amenable number.

28884652 is a deficient number, since it is larger than the sum of its proper divisors (21663496).

28884652 is a wasteful number, since it uses less digits than its factorization.

28884652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7221167 (or 7221165 counting only the distinct ones).

The product of its digits is 245760, while the sum is 43.

The square root of 28884652 is about 5374.4443433717. Note that the first 3 decimals coincide. The cubic root of 28884652 is about 306.8238015335.

The spelling of 28884652 in words is "twenty-eight million, eight hundred eighty-four thousand, six hundred fifty-two".

Divisors: 1 2 4 7221163 14442326 28884652