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674904248 = 2384363031
BaseRepresentation
bin101000001110100…
…011100010111000
31202000221200120122
4220032203202320
52340233413443
6150545312412
722503406604
oct5016434270
91660850518
10674904248
11316a69607
1216a035708
13a9a93735
14658c4504
153e3b6968
hex283a38b8

674904248 has 8 divisors (see below), whose sum is σ = 1265445480. Its totient is φ = 337452120.

The previous prime is 674904247. The next prime is 674904257. The reversal of 674904248 is 842409476.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 674904199 and 674904208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674904247) 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 as a sum of consecutive naturals, namely, 42181508 + ... + 42181523.

It is an arithmetic number, because the mean of its divisors is an integer number (158180685).

Almost surely, 2674904248 is an apocalyptic number.

It is an amenable number.

674904248 is a deficient number, since it is larger than the sum of its proper divisors (590541232).

674904248 is a wasteful number, since it uses less digits than its factorization.

674904248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84363037 (or 84363033 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 674904248 is about 25978.9193000787. The cubic root of 674904248 is about 877.1638409029.

The spelling of 674904248 in words is "six hundred seventy-four million, nine hundred four thousand, two hundred forty-eight".

Divisors: 1 2 4 8 84363031 168726062 337452124 674904248