Search a number
-
+
361980894 = 231119288661
BaseRepresentation
bin10101100100110…
…110001111011110
3221020010112102210
4111210312033132
51220131342034
655530301250
711653533612
oct2544661736
9836115383
10361980894
11176368670
12a1287826
1359cbc5a2
1436109342
1521ba38e9
hex159363de

361980894 has 32 divisors (see below), whose sum is σ = 831346560. Its totient is φ = 103917600.

The previous prime is 361980863. The next prime is 361980907. The reversal of 361980894 is 498089163.

361980894 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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, 143077 + ... + 145584.

It is an arithmetic number, because the mean of its divisors is an integer number (25979580).

Almost surely, 2361980894 is an apocalyptic number.

361980894 is an abundant number, since it is smaller than the sum of its proper divisors (469365666).

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

361980894 is a wasteful number, since it uses less digits than its factorization.

361980894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288696.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 361980894 is about 19025.7954892824. The cubic root of 361980894 is about 712.6810580798.

The spelling of 361980894 in words is "three hundred sixty-one million, nine hundred eighty thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 11 19 22 33 38 57 66 114 209 418 627 1254 288661 577322 865983 1731966 3175271 5484559 6350542 9525813 10969118 16453677 19051626 32907354 60330149 120660298 180990447 361980894