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28824248 = 2317211943
BaseRepresentation
bin110110111110…
…1001010111000
32000020102102202
41231331022320
524334333443
62505445332
7500000465
oct155751270
960212382
1028824248
11152a80a2
1297a0848
135c82a8b
143b8466c
1527e57b8
hex1b7d2b8

28824248 has 16 divisors (see below), whose sum is σ = 57224880. Its totient is φ = 13564288.

The previous prime is 28824223. The next prime is 28824277. The reversal of 28824248 is 84242882.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 105836 + ... + 106107.

It is an arithmetic number, because the mean of its divisors is an integer number (3576555).

Almost surely, 228824248 is an apocalyptic number.

It is an amenable number.

28824248 is a deficient number, since it is larger than the sum of its proper divisors (28400632).

28824248 is a wasteful number, since it uses less digits than its factorization.

28824248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211966 (or 211962 counting only the distinct ones).

The product of its digits is 65536, while the sum is 38.

The square root of 28824248 is about 5368.8218446881. The cubic root of 28824248 is about 306.6097741551.

The spelling of 28824248 in words is "twenty-eight million, eight hundred twenty-four thousand, two hundred forty-eight".

Divisors: 1 2 4 8 17 34 68 136 211943 423886 847772 1695544 3603031 7206062 14412124 28824248