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378745366 = 21311445593
BaseRepresentation
bin10110100100110…
…011001000010110
3222101200020222011
4112210303020112
51233424322431
6101325454434
712246165616
oct2644631026
9871606864
10378745366
11184878aaa
12a6a1141a
136060c0ac
1438430a46
15233b5cb1
hex16933216

378745366 has 8 divisors (see below), whose sum is σ = 572455224. Its totient is φ = 187926960.

The previous prime is 378745361. The next prime is 378745391. The reversal of 378745366 is 663547873.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378745361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722535 + ... + 723058.

It is an arithmetic number, because the mean of its divisors is an integer number (71556903).

Almost surely, 2378745366 is an apocalyptic number.

378745366 is a deficient number, since it is larger than the sum of its proper divisors (193709858).

378745366 is a wasteful number, since it uses less digits than its factorization.

378745366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445726.

The product of its digits is 2540160, while the sum is 49.

The square root of 378745366 is about 19461.3814000959. The cubic root of 378745366 is about 723.5176153931.

The spelling of 378745366 in words is "three hundred seventy-eight million, seven hundred forty-five thousand, three hundred sixty-six".

Divisors: 1 2 131 262 1445593 2891186 189372683 378745366