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381485694 = 2363580949
BaseRepresentation
bin10110101111010…
…000001001111110
3222120211110222210
4112233100021332
51240130020234
6101504321250
712311401122
oct2657201176
9876743883
10381485694
1118637a937
12a7913226
136105b4a5
1438945582
1523757be9
hex16bd027e

381485694 has 8 divisors (see below), whose sum is σ = 762971400. Its totient is φ = 127161896.

The previous prime is 381485693. The next prime is 381485711. The reversal of 381485694 is 496584183.

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

381485694 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381485693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31790469 + ... + 31790480.

It is an arithmetic number, because the mean of its divisors is an integer number (95371425).

Almost surely, 2381485694 is an apocalyptic number.

381485694 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.

381485694 is a wasteful number, since it uses less digits than its factorization.

381485694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63580954.

The product of its digits is 829440, while the sum is 48.

The square root of 381485694 is about 19531.6587621226. The cubic root of 381485694 is about 725.2583741805.

The spelling of 381485694 in words is "three hundred eighty-one million, four hundred eighty-five thousand, six hundred ninety-four".

Divisors: 1 2 3 6 63580949 127161898 190742847 381485694