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28767464 = 2311326903
BaseRepresentation
bin110110110111…
…1010011101000
32000010112112122
41231233103220
524331024324
62504330412
7466343105
oct155572350
960115478
1028767464
1115269470
129773a08
135c62c8b
143b6baac
1527d3a5e
hex1b6f4e8

28767464 has 16 divisors (see below), whose sum is σ = 58842720. Its totient is φ = 13076080.

The previous prime is 28767461. The next prime is 28767467. The reversal of 28767464 is 46476782.

It is an interprime number because it is at equal distance from previous prime (28767461) and next prime (28767467).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (28767461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163364 + ... + 163539.

It is an arithmetic number, because the mean of its divisors is an integer number (3677670).

Almost surely, 228767464 is an apocalyptic number.

It is an amenable number.

28767464 is an abundant number, since it is smaller than the sum of its proper divisors (30075256).

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

28767464 is a wasteful number, since it uses less digits than its factorization.

28767464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326920 (or 326916 counting only the distinct ones).

The product of its digits is 451584, while the sum is 44.

The square root of 28767464 is about 5363.5309265446. The cubic root of 28767464 is about 306.4083005566.

The spelling of 28767464 in words is "twenty-eight million, seven hundred sixty-seven thousand, four hundred sixty-four".

Divisors: 1 2 4 8 11 22 44 88 326903 653806 1307612 2615224 3595933 7191866 14383732 28767464