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28842484 = 2211655511
BaseRepresentation
bin110111000000…
…1100111110100
32000021100110011
41232001213310
524340424414
62510110004
7500104606
oct156014764
960240404
1028842484
111530a870
1297ab304
135c8b178
143b8b176
1527eadc4
hex1b819f4

28842484 has 12 divisors (see below), whose sum is σ = 55063008. Its totient is φ = 13110200.

The previous prime is 28842481. The next prime is 28842491. The reversal of 28842484 is 48424882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28842481) by changing a digit.

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, 327712 + ... + 327799.

It is an arithmetic number, because the mean of its divisors is an integer number (4588584).

Almost surely, 228842484 is an apocalyptic number.

It is an amenable number.

28842484 is a deficient number, since it is larger than the sum of its proper divisors (26220524).

28842484 is a wasteful number, since it uses less digits than its factorization.

28842484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655526 (or 655524 counting only the distinct ones).

The product of its digits is 131072, while the sum is 40.

The square root of 28842484 is about 5370.5199003448. The cubic root of 28842484 is about 306.6744206189.

The spelling of 28842484 in words is "twenty-eight million, eight hundred forty-two thousand, four hundred eighty-four".

Divisors: 1 2 4 11 22 44 655511 1311022 2622044 7210621 14421242 28842484