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378675655 = 5541139991
BaseRepresentation
bin10110100100100…
…010000111000111
3222101112201100021
4112210202013013
51233420110110
6101324200011
712245455441
oct2644420707
9871481307
10378675655
11184830696
12a6999007
13605b6447
1438413491
15233a02da
hex169221c7

378675655 has 8 divisors (see below), whose sum is σ = 455253984. Its totient is φ = 302378400.

The previous prime is 378675637. The next prime is 378675659. The reversal of 378675655 is 556576873.

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

It is not a de Polignac number, because 378675655 - 25 = 378675623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378675659) 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 7 ways as a sum of consecutive naturals, for example, 67291 + ... + 72700.

It is an arithmetic number, because the mean of its divisors is an integer number (56906748).

Almost surely, 2378675655 is an apocalyptic number.

378675655 is a deficient number, since it is larger than the sum of its proper divisors (76578329).

378675655 is a wasteful number, since it uses less digits than its factorization.

378675655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140537.

The product of its digits is 5292000, while the sum is 52.

The square root of 378675655 is about 19459.5903091509. The cubic root of 378675655 is about 723.4732230073.

The spelling of 378675655 in words is "three hundred seventy-eight million, six hundred seventy-five thousand, six hundred fifty-five".

Divisors: 1 5 541 2705 139991 699955 75735131 378675655