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381674833 = 7924120047
BaseRepresentation
bin10110101111111…
…110010101010001
3222121012002102221
4112233332111101
51240202043313
6101512341041
712313116421
oct2657762521
9877162387
10381674833
11186499a51
12a79a4781
13610c65c7
1438994481
1523793c8d
hex16bfe551

381674833 has 8 divisors (see below), whose sum is σ = 388129280. Its totient is φ = 375261120.

The previous prime is 381674819. The next prime is 381674851. The reversal of 381674833 is 338476183.

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

It is a cyclic number.

It is not a de Polignac number, because 381674833 - 25 = 381674801 is a prime.

It is the 19537-th Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 381674833.

It is not an unprimeable number, because it can be changed into a prime (381674873) by changing a digit.

It is a nontrivial repunit in base 19536.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9016 + ... + 29062.

It is an arithmetic number, because the mean of its divisors is an integer number (48516160).

Almost surely, 2381674833 is an apocalyptic number.

It is an amenable number.

381674833 is a deficient number, since it is larger than the sum of its proper divisors (6454447).

381674833 is a wasteful number, since it uses less digits than its factorization.

381674833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20367.

The product of its digits is 290304, while the sum is 43.

The square root of 381674833 is about 19536.5000191948. The cubic root of 381674833 is about 725.3782143928.

The spelling of 381674833 in words is "three hundred eighty-one million, six hundred seventy-four thousand, eight hundred thirty-three".

Divisors: 1 79 241 19039 20047 1583713 4831327 381674833