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28466484 = 22319124853
BaseRepresentation
bin110110010010…
…1110100110100
31222120020200020
41230211310310
524241411414
62454045140
7463650444
oct154456464
958506606
1028466484
1115083322
1296497b0
135b88c97
143ad0124
1527747a9
hex1b25d34

28466484 has 24 divisors (see below), whose sum is σ = 69918240. Its totient is φ = 8989344.

The previous prime is 28466467. The next prime is 28466489. The reversal of 28466484 is 48466482.

It is a super-2 number, since 2×284664842 = 1620681422644512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28466489) 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 7 ways as a sum of consecutive naturals, for example, 62199 + ... + 62654.

It is an arithmetic number, because the mean of its divisors is an integer number (2913260).

Almost surely, 228466484 is an apocalyptic number.

It is an amenable number.

28466484 is an abundant number, since it is smaller than the sum of its proper divisors (41451756).

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

28466484 is a wasteful number, since it uses less digits than its factorization.

28466484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124879 (or 124877 counting only the distinct ones).

The product of its digits is 294912, while the sum is 42.

The square root of 28466484 is about 5335.3991415826. The cubic root of 28466484 is about 305.3359515973.

The spelling of 28466484 in words is "twenty-eight million, four hundred sixty-six thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 124853 249706 374559 499412 749118 1498236 2372207 4744414 7116621 9488828 14233242 28466484