Search a number
-
+
296689780 = 225171276871
BaseRepresentation
bin10001101011110…
…010000001110100
3202200021101212101
4101223302001310
51101423033110
645235031444
710231551532
oct2153620164
9680241771
10296689780
11142523472
128343b584
134960c1aa
142b591152
151b0a813a
hex11af2074

296689780 has 48 divisors (see below), whose sum is σ = 664989696. Its totient is φ = 110799360.

The previous prime is 296689751. The next prime is 296689837. The reversal of 296689780 is 87986692.

296689780 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 39745 + ... + 46615.

It is an arithmetic number, because the mean of its divisors is an integer number (13853952).

Almost surely, 2296689780 is an apocalyptic number.

296689780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 296689780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332494848).

296689780 is an abundant number, since it is smaller than the sum of its proper divisors (368299916).

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

296689780 is a wasteful number, since it uses less digits than its factorization.

296689780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7024 (or 7022 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 296689780 is about 17224.6851930594. The cubic root of 296689780 is about 666.9616489034.

The spelling of 296689780 in words is "two hundred ninety-six million, six hundred eighty-nine thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 68 85 127 170 254 340 508 635 1270 2159 2540 4318 6871 8636 10795 13742 21590 27484 34355 43180 68710 116807 137420 233614 467228 584035 872617 1168070 1745234 2336140 3490468 4363085 8726170 14834489 17452340 29668978 59337956 74172445 148344890 296689780