Search a number
-
+
243429078 = 2340571513
BaseRepresentation
bin11101000001001…
…10111011010110
3121222001110220210
432200212323112
5444304212303
640053310250
76014053524
oct1640467326
9558043823
10243429078
11115455962
1269635386
133b581899
1424489314
1516587203
hexe826ed6

243429078 has 8 divisors (see below), whose sum is σ = 486858168. Its totient is φ = 81143024.

The previous prime is 243429077. The next prime is 243429097. The reversal of 243429078 is 870924342.

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

243429078 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243429071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20285751 + ... + 20285762.

It is an arithmetic number, because the mean of its divisors is an integer number (60857271).

Almost surely, 2243429078 is an apocalyptic number.

243429078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

243429078 is a wasteful number, since it uses less digits than its factorization.

243429078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40571518.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 243429078 is about 15602.2138813695. The cubic root of 243429078 is about 624.3922223884.

The spelling of 243429078 in words is "two hundred forty-three million, four hundred twenty-nine thousand, seventy-eight".

Divisors: 1 2 3 6 40571513 81143026 121714539 243429078