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678382311 = 31278272153
BaseRepresentation
bin101000011011110…
…100101011100111
31202021111101120210
4220123310223213
52342131213221
6151152030503
722545103665
oct5033645347
91667441523
10678382311
11318a24742
1216b232433
13aa710869
146614bc35
153e852276
hex286f4ae7

678382311 has 16 divisors (see below), whose sum is σ = 913158144. Its totient is φ = 447943104.

The previous prime is 678382307. The next prime is 678382337. The reversal of 678382311 is 113283876.

It is not a de Polignac number, because 678382311 - 22 = 678382307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 678382311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678382511) 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 15 ways as a sum of consecutive naturals, for example, 314011 + ... + 316163.

It is an arithmetic number, because the mean of its divisors is an integer number (57072384).

Almost surely, 2678382311 is an apocalyptic number.

678382311 is a deficient number, since it is larger than the sum of its proper divisors (234775833).

678382311 is a wasteful number, since it uses less digits than its factorization.

678382311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110.

The product of its digits is 48384, while the sum is 39.

The square root of 678382311 is about 26045.7733807234. The cubic root of 678382311 is about 878.6680569094.

The spelling of 678382311 in words is "six hundred seventy-eight million, three hundred eighty-two thousand, three hundred eleven".

Divisors: 1 3 127 381 827 2153 2481 6459 105029 273431 315087 820293 1780531 5341593 226127437 678382311