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675704240 = 2458446303
BaseRepresentation
bin101000010001100…
…110110110110000
31202002110022221222
4220101212312300
52340440013430
6151014404212
722513251131
oct5021466660
91662408858
10675704240
11317465662
1216a360668
13a9cb38c3
1465a51c88
153e4c39e5
hex28466db0

675704240 has 20 divisors (see below), whose sum is σ = 1571012544. Its totient is φ = 270281664.

The previous prime is 675704233. The next prime is 675704257. The reversal of 675704240 is 42407576.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 675704240.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4223072 + ... + 4223231.

Almost surely, 2675704240 is an apocalyptic number.

It is an amenable number.

675704240 is an abundant number, since it is smaller than the sum of its proper divisors (895308304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

675704240 is a wasteful number, since it uses less digits than its factorization.

675704240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8446316 (or 8446310 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 675704240 is about 25994.3116854438. The cubic root of 675704240 is about 877.5102836164.

The spelling of 675704240 in words is "six hundred seventy-five million, seven hundred four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 8446303 16892606 33785212 42231515 67570424 84463030 135140848 168926060 337852120 675704240