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27828964 = 228777933
BaseRepresentation
bin110101000101…
…0001011100100
31221100212011101
41222022023210
524111011324
62432245444
7455354002
oct152121344
957325141
1027828964
1114788349
1293a0884
1359c4a57
1439a5a72
15269a944
hex1a8a2e4

27828964 has 12 divisors (see below), whose sum is σ = 48762364. Its totient is φ = 13896864.

The previous prime is 27828961. The next prime is 27828967. The reversal of 27828964 is 46982872.

It is an interprime number because it is at equal distance from previous prime (27828961) and next prime (27828967).

It can be written as a sum of positive squares in 2 ways, for example, as 16064064 + 11764900 = 4008^2 + 3430^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (27828961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459 + ... + 7474.

Almost surely, 227828964 is an apocalyptic number.

It is an amenable number.

27828964 is a deficient number, since it is larger than the sum of its proper divisors (20933400).

27828964 is a wasteful number, since it uses less digits than its factorization.

27828964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8814 (or 8812 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 27828964 is about 5275.3164833970. The cubic root of 27828964 is about 303.0393410706.

The spelling of 27828964 in words is "twenty-seven million, eight hundred twenty-eight thousand, nine hundred sixty-four".

Divisors: 1 2 4 877 1754 3508 7933 15866 31732 6957241 13914482 27828964