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70283450 = 2521405669
BaseRepresentation
bin1000011000001…
…11000010111010
311220020202202202
410030013002322
5120443032300
610550230202
71512254006
oct414070272
9156222682
1070283450
1136744aa6
121b655362
131173a853
149497706
156284ad5
hex43070ba

70283450 has 12 divisors (see below), whose sum is σ = 130727310. Its totient is φ = 28113360.

The previous prime is 70283441. The next prime is 70283497. The reversal of 70283450 is 5438207.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 68178049 + 2105401 = 8257^2 + 1451^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 702785 + ... + 702884.

Almost surely, 270283450 is an apocalyptic number.

70283450 is a deficient number, since it is larger than the sum of its proper divisors (60443860).

70283450 is a wasteful number, since it uses less digits than its factorization.

70283450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405681 (or 1405676 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 70283450 is about 8383.5225293429. The cubic root of 70283450 is about 412.6840562157.

The spelling of 70283450 in words is "seventy million, two hundred eighty-three thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 1405669 2811338 7028345 14056690 35141725 70283450