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28474084 = 2219438713
BaseRepresentation
bin110110010011…
…1101011100100
31222120122002201
41230213223210
524242132314
62454144244
7464011552
oct154475344
958518081
1028474084
1115089001
129652084
135b8c592
143ad2bd2
152776b74
hex1b27ae4

28474084 has 24 divisors (see below), whose sum is σ = 53678240. Its totient is φ = 13172544.

The previous prime is 28474013. The next prime is 28474087. The reversal of 28474084 is 48047482.

It is not an unprimeable number, because it can be changed into a prime (28474087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089 + ... + 7624.

Almost surely, 228474084 is an apocalyptic number.

It is an amenable number.

28474084 is a deficient number, since it is larger than the sum of its proper divisors (25204156).

28474084 is a wasteful number, since it uses less digits than its factorization.

28474084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8779 (or 8777 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 37.

The square root of 28474084 is about 5336.1113181792. Note that the first 3 decimals coincide. The cubic root of 28474084 is about 305.3631221082.

The spelling of 28474084 in words is "twenty-eight million, four hundred seventy-four thousand, eighty-four".

Divisors: 1 2 4 19 38 43 76 86 172 817 1634 3268 8713 17426 34852 165547 331094 374659 662188 749318 1498636 7118521 14237042 28474084