Search a number
-
+
361984164 = 22330165347
BaseRepresentation
bin10101100100110…
…111000010100100
3221020010200220220
4111210313002210
51220131443124
655530324340
711653546263
oct2544670244
9836120826
10361984164
11176370073
12a12896b0
1359cc0c19
143610a5da
1521ba4879
hex159370a4

361984164 has 12 divisors (see below), whose sum is σ = 844629744. Its totient is φ = 120661384.

The previous prime is 361984159. The next prime is 361984237. The reversal of 361984164 is 461489163.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 15082662 + ... + 15082685.

It is an arithmetic number, because the mean of its divisors is an integer number (70385812).

Almost surely, 2361984164 is an apocalyptic number.

It is an amenable number.

361984164 is an abundant number, since it is smaller than the sum of its proper divisors (482645580).

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

361984164 is a wasteful number, since it uses less digits than its factorization.

361984164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30165354 (or 30165352 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 361984164 is about 19025.8814250484. The cubic root of 361984164 is about 712.6832041047.

The spelling of 361984164 in words is "three hundred sixty-one million, nine hundred eighty-four thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 30165347 60330694 90496041 120661388 180992082 361984164