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383400668 = 22713692881
BaseRepresentation
bin10110110110100…
…011101011011100
3222201102202211202
4112312203223130
51241122310133
6102013335032
712333565130
oct2666435334
9881382752
10383400668
11187468662
12a8497478
136157c001
1438cc33c0
15239d52e8
hex16da3adc

383400668 has 12 divisors (see below), whose sum is σ = 766801392. Its totient is φ = 164314560.

The previous prime is 383400649. The next prime is 383400673. The reversal of 383400668 is 866004383.

383400668 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6846413 + ... + 6846468.

It is an arithmetic number, because the mean of its divisors is an integer number (63900116).

Almost surely, 2383400668 is an apocalyptic number.

It is an amenable number.

383400668 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.

383400668 is a wasteful number, since it uses less digits than its factorization.

383400668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13692892 (or 13692890 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 383400668 is about 19580.6197041871. The cubic root of 383400668 is about 726.4698949115.

The spelling of 383400668 in words is "three hundred eighty-three million, four hundred thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 28 13692881 27385762 54771524 95850167 191700334 383400668