Search a number
-
+
161484 = 22313457
BaseRepresentation
bin100111011011001100
322012111220
4213123030
520131414
63243340
71241541
oct473314
9265456
10161484
11100364
1279550
135866b
1442bc8
1532ca9
hex276cc

161484 has 12 divisors (see below), whose sum is σ = 376824. Its totient is φ = 53824.

The previous prime is 161471. The next prime is 161503. The reversal of 161484 is 484161.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6717 + ... + 6740.

It is an arithmetic number, because the mean of its divisors is an integer number (31402).

2161484 is an apocalyptic number.

It is an amenable number.

161484 is an abundant number, since it is smaller than the sum of its proper divisors (215340).

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

161484 is a wasteful number, since it uses less digits than its factorization.

161484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13464 (or 13462 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 161484 is about 401.8507185511. The cubic root of 161484 is about 54.4556775687.

The spelling of 161484 in words is "one hundred sixty-one thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 12 13457 26914 40371 53828 80742 161484