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28014508 = 2211361979
BaseRepresentation
bin110101011011…
…1011110101100
31221201021200101
41222313132230
524132431013
62440240444
7460055644
oct152673654
957637611
1028014508
11148a4795
129470124
135a5b342
143a13524
1526d58dd
hex1ab77ac

28014508 has 12 divisors (see below), whose sum is σ = 49460040. Its totient is φ = 13883072.

The previous prime is 28014499. The next prime is 28014523. The reversal of 28014508 is 80541082.

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, 30538 + ... + 31441.

It is an arithmetic number, because the mean of its divisors is an integer number (4121670).

Almost surely, 228014508 is an apocalyptic number.

It is an amenable number.

28014508 is a deficient number, since it is larger than the sum of its proper divisors (21445532).

28014508 is a wasteful number, since it uses less digits than its factorization.

28014508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62096 (or 62094 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 28014508 is about 5292.8733217412. The cubic root of 28014508 is about 303.7113343615.

The spelling of 28014508 in words is "twenty-eight million, fourteen thousand, five hundred eight".

Divisors: 1 2 4 113 226 452 61979 123958 247916 7003627 14007254 28014508