Search a number
-
+
381214563 = 3149852829
BaseRepresentation
bin10110101110001…
…101111101100011
3222120022201001220
4112232031331203
51240042331223
6101454430123
712306161502
oct2656157543
9876281056
10381214563
11186205164
12a7802343
1360c94c62
14388b4839
15237026e3
hex16b8df63

381214563 has 8 divisors (see below), whose sum is σ = 511698000. Its totient is φ = 252437088.

The previous prime is 381214513. The next prime is 381214567. The reversal of 381214563 is 365412183.

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

It is not a de Polignac number, because 381214563 - 217 = 381083491 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (381214567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425968 + ... + 426861.

It is an arithmetic number, because the mean of its divisors is an integer number (63962250).

Almost surely, 2381214563 is an apocalyptic number.

381214563 is a deficient number, since it is larger than the sum of its proper divisors (130483437).

381214563 is a wasteful number, since it uses less digits than its factorization.

381214563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852981.

The product of its digits is 17280, while the sum is 33.

The square root of 381214563 is about 19524.7167200961. The cubic root of 381214563 is about 725.0865139724.

The spelling of 381214563 in words is "three hundred eighty-one million, two hundred fourteen thousand, five hundred sixty-three".

Divisors: 1 3 149 447 852829 2558487 127071521 381214563