Search a number
-
+
378889026 = 23109157881
BaseRepresentation
bin10110100101010…
…110001101000010
3222101221120000220
4112211112031002
51233443422101
6101332523510
712250334505
oct2645261502
9871846026
10378889026
11184966a2a
12a6a80596
136065c5b9
143846b13c
15233e3636
hex16956342

378889026 has 16 divisors (see below), whose sum is σ = 758485728. Its totient is φ = 126178400.

The previous prime is 378889009. The next prime is 378889153. The reversal of 378889026 is 620988873.

It is a self number, because there is not a number n which added to its sum of digits gives 378889026.

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, 22395 + ... + 35486.

It is an arithmetic number, because the mean of its divisors is an integer number (47405358).

Almost surely, 2378889026 is an apocalyptic number.

378889026 is an abundant number, since it is smaller than the sum of its proper divisors (379596702).

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

378889026 is a wasteful number, since it uses less digits than its factorization.

378889026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58977.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 378889026 is about 19465.0719495202. The cubic root of 378889026 is about 723.6090817722.

The spelling of 378889026 in words is "three hundred seventy-eight million, eight hundred eighty-nine thousand, twenty-six".

Divisors: 1 2 3 6 1091 2182 3273 6546 57881 115762 173643 347286 63148171 126296342 189444513 378889026