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6674890 = 25192432
BaseRepresentation
bin11001011101100111001010
3110120010020011
4121131213022
53202044030
6355022134
7110510215
oct31354712
913503204
106674890
113849a42
12229a94a
1314c9251
14c5a77c
158bcb2a
hex65d9ca

6674890 has 36 divisors (see below), whose sum is σ = 12982194. Its totient is φ = 2470608.

The previous prime is 6674881. The next prime is 6674891. The reversal of 6674890 is 984766.

It can be written as a sum of positive squares in only one way, i.e., 6007401 + 667489 = 2451^2 + 817^2 .

It is not an unprimeable number, because it can be changed into a prime (6674891) 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 17 ways as a sum of consecutive naturals, for example, 155209 + ... + 155251.

Almost surely, 26674890 is an apocalyptic number.

6674890 is a deficient number, since it is larger than the sum of its proper divisors (6307304).

6674890 is a wasteful number, since it uses less digits than its factorization.

6674890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 6674890 is about 2583.5808483576. The cubic root of 6674890 is about 188.2845585095.

Multiplying 6674890 by its sum of digits (40), we get a square (266995600 = 163402).

The spelling of 6674890 in words is "six million, six hundred seventy-four thousand, eight hundred ninety".

Divisors: 1 2 5 10 19 38 43 86 95 190 215 361 430 722 817 1634 1805 1849 3610 3698 4085 8170 9245 15523 18490 31046 35131 70262 77615 155230 175655 351310 667489 1334978 3337445 6674890