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674030248 = 2384253781
BaseRepresentation
bin101000001011001…
…110001010101000
31201222022021200021
4220023032022220
52340022431443
6150514450224
722463106523
oct5013161250
91658267607
10674030248
113165219a1
12169893974
13a9848988
1465737bba
153e2929ed
hex282ce2a8

674030248 has 8 divisors (see below), whose sum is σ = 1263806730. Its totient is φ = 337015120.

The previous prime is 674030213. The next prime is 674030281. The reversal of 674030248 is 842030476.

It can be written as a sum of positive squares in only one way, i.e., 454457124 + 219573124 = 21318^2 + 14818^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42126883 + ... + 42126898.

Almost surely, 2674030248 is an apocalyptic number.

It is an amenable number.

674030248 is a deficient number, since it is larger than the sum of its proper divisors (589776482).

674030248 is a wasteful number, since it uses less digits than its factorization.

674030248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84253787 (or 84253783 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 674030248 is about 25962.0925196718. The cubic root of 674030248 is about 876.7850353807.

The spelling of 674030248 in words is "six hundred seventy-four million, thirty thousand, two hundred forty-eight".

Divisors: 1 2 4 8 84253781 168507562 337015124 674030248