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381466797 = 3619205421
BaseRepresentation
bin10110101111001…
…011100010101101
3222120210112001220
4112233023202231
51240123414142
6101504053553
712311262045
oct2657134255
9876715056
10381466797
11186367718
12a79042b9
13610529ca
143893c725
15237522ec
hex16bcb8ad

381466797 has 8 divisors (see below), whose sum is σ = 509446560. Its totient is φ = 253899120.

The previous prime is 381466793. The next prime is 381466807. The reversal of 381466797 is 797664183.

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

It is not a de Polignac number, because 381466797 - 22 = 381466793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381466793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100854 + ... + 104567.

It is an arithmetic number, because the mean of its divisors is an integer number (63680820).

Almost surely, 2381466797 is an apocalyptic number.

It is an amenable number.

381466797 is a deficient number, since it is larger than the sum of its proper divisors (127979763).

381466797 is a wasteful number, since it uses less digits than its factorization.

381466797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206043.

The product of its digits is 1524096, while the sum is 51.

The square root of 381466797 is about 19531.1750030560. The cubic root of 381466797 is about 725.2463986909.

The spelling of 381466797 in words is "three hundred eighty-one million, four hundred sixty-six thousand, seven hundred ninety-seven".

Divisors: 1 3 619 1857 205421 616263 127155599 381466797