Search a number
-
+
216496 = 2471933
BaseRepresentation
bin110100110110110000
3101222222101
4310312300
523411441
64350144
71561120
oct646660
9358871
10216496
11138725
12a5354
1377707
1458c80
1544231
hex34db0

216496 has 20 divisors (see below), whose sum is σ = 479632. Its totient is φ = 92736.

The previous prime is 216493. The next prime is 216509. The reversal of 216496 is 694612.

216496 is nontrivially palindromic in base 3.

216496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216493) 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, 855 + ... + 1078.

2216496 is an apocalyptic number.

It is an amenable number.

216496 is an abundant number, since it is smaller than the sum of its proper divisors (263136).

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

216496 is a wasteful number, since it uses less digits than its factorization.

216496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948 (or 1942 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 216496 is about 465.2913066026. The cubic root of 216496 is about 60.0458908175.

The spelling of 216496 in words is "two hundred sixteen thousand, four hundred ninety-six".

Divisors: 1 2 4 7 8 14 16 28 56 112 1933 3866 7732 13531 15464 27062 30928 54124 108248 216496