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381774652 = 22713634809
BaseRepresentation
bin10110110000010…
…110101100111100
3222121101011100221
4112300112230330
51240213242102
6101514431124
712314013430
oct2660265474
9877334327
10381774652
11186557a46
12a7a324a4
136112cb7c
14389bc9c0
15237b3637
hex16c16b3c

381774652 has 12 divisors (see below), whose sum is σ = 763549360. Its totient is φ = 163617696.

The previous prime is 381774629. The next prime is 381774671. The reversal of 381774652 is 256477183.

381774652 is an admirable number.

It is a super-2 number, since 2×3817746522 = 291503769819442208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 381774599 and 381774608.

It is a congruent number.

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, 6817377 + ... + 6817432.

Almost surely, 2381774652 is an apocalyptic number.

It is an amenable number.

381774652 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

381774652 is a wasteful number, since it uses less digits than its factorization.

381774652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13634820 (or 13634818 counting only the distinct ones).

The product of its digits is 282240, while the sum is 43.

The square root of 381774652 is about 19539.0545318856. The cubic root of 381774652 is about 725.4414446702.

The spelling of 381774652 in words is "three hundred eighty-one million, seven hundred seventy-four thousand, six hundred fifty-two".

Divisors: 1 2 4 7 14 28 13634809 27269618 54539236 95443663 190887326 381774652