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378733785 = 3525248919
BaseRepresentation
bin10110100100110…
…000010011011001
3222101122200002020
4112210300103121
51233423440120
6101325325053
712246120063
oct2644602331
9871580066
10378733785
11184870331
12a6a06789
1360606a41
143842a733
15233b2640
hex169304d9

378733785 has 8 divisors (see below), whose sum is σ = 605974080. Its totient is φ = 201991344.

The previous prime is 378733757. The next prime is 378733793. The reversal of 378733785 is 587337873.

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

It is not a de Polignac number, because 378733785 - 26 = 378733721 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12624445 + ... + 12624474.

It is an arithmetic number, because the mean of its divisors is an integer number (75746760).

Almost surely, 2378733785 is an apocalyptic number.

It is an amenable number.

378733785 is a deficient number, since it is larger than the sum of its proper divisors (227240295).

378733785 is a wasteful number, since it uses less digits than its factorization.

378733785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25248927.

The product of its digits is 2963520, while the sum is 51.

The square root of 378733785 is about 19461.0838598471. The cubic root of 378733785 is about 723.5102409197.

The spelling of 378733785 in words is "three hundred seventy-eight million, seven hundred thirty-three thousand, seven hundred eighty-five".

Divisors: 1 3 5 15 25248919 75746757 126244595 378733785