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285413346 = 23215856297
BaseRepresentation
bin10001000000110…
…000111111100010
3201220001111111200
4101000300333202
51041031211341
644153222030
710033654611
oct2100607742
9656044450
10285413346
111371212a9
127b701916
134719164a
1429c97878
151a0cbdb6
hex11030fe2

285413346 has 12 divisors (see below), whose sum is σ = 618395622. Its totient is φ = 95137776.

The previous prime is 285413291. The next prime is 285413347. The reversal of 285413346 is 643314582.

285413346 is a `hidden beast` number, since 285 + 41 + 334 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 278522721 + 6890625 = 16689^2 + 2625^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 285413346.

It is not an unprimeable number, because it can be changed into a prime (285413347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7928131 + ... + 7928166.

Almost surely, 2285413346 is an apocalyptic number.

285413346 is an abundant number, since it is smaller than the sum of its proper divisors (332982276).

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

285413346 is a wasteful number, since it uses less digits than its factorization.

285413346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15856305 (or 15856302 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 285413346 is about 16894.1808324642. The cubic root of 285413346 is about 658.4024308752.

The spelling of 285413346 in words is "two hundred eighty-five million, four hundred thirteen thousand, three hundred forty-six".

Divisors: 1 2 3 6 9 18 15856297 31712594 47568891 95137782 142706673 285413346