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389678296 = 23719366239
BaseRepresentation
bin10111001110100…
…000010011011000
31000011020201010111
4113032200103120
51244224201141
6102400054104
712441132220
oct2716402330
91004221114
10389678296
1118aa66087
12aa604334
1362969497
1439a79080
1524325381
hex173a04d8

389678296 has 32 divisors (see below), whose sum is σ = 878976000. Its totient is φ = 158214816.

The previous prime is 389678251. The next prime is 389678321. The reversal of 389678296 is 692876983.

It is a self number, because there is not a number n which added to its sum of digits gives 389678296.

It is a congruent number.

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, 182056 + ... + 184183.

It is an arithmetic number, because the mean of its divisors is an integer number (27468000).

Almost surely, 2389678296 is an apocalyptic number.

It is an amenable number.

389678296 is an abundant number, since it is smaller than the sum of its proper divisors (489297704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389678296 is a wasteful number, since it uses less digits than its factorization.

389678296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366271 (or 366267 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 58.

The square root of 389678296 is about 19740.2709201267. The cubic root of 389678296 is about 730.4134119208.

The spelling of 389678296 in words is "three hundred eighty-nine million, six hundred seventy-eight thousand, two hundred ninety-six".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 532 1064 366239 732478 1464956 2563673 2929912 5127346 6958541 10254692 13917082 20509384 27834164 48709787 55668328 97419574 194839148 389678296