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283270642 = 2293483397
BaseRepresentation
bin10000111000100…
…101110111110010
3201202000122021021
4100320211313302
51040004130032
644035250054
710006521634
oct2070456762
9652018237
10283270642
11135998476
127aa4992a
13468c1285
142989aa54
1519d07097
hex10e25df2

283270642 has 8 divisors (see below), whose sum is σ = 426357036. Its totient is φ = 141151632.

The previous prime is 283270621. The next prime is 283270661. The reversal of 283270642 is 246072382.

It can be written as a sum of positive squares in 2 ways, for example, as 264095001 + 19175641 = 16251^2 + 4379^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 283270598 and 283270607.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241113 + ... + 242284.

Almost surely, 2283270642 is an apocalyptic number.

283270642 is a deficient number, since it is larger than the sum of its proper divisors (143086394).

283270642 is a wasteful number, since it uses less digits than its factorization.

283270642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483692.

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

The square root of 283270642 is about 16830.6459174923. The cubic root of 283270642 is about 656.7506666173.

The spelling of 283270642 in words is "two hundred eighty-three million, two hundred seventy thousand, six hundred forty-two".

Divisors: 1 2 293 586 483397 966794 141635321 283270642