Search a number
-
+
63408 = 2431321
BaseRepresentation
bin1111011110110000
310012222110
433132300
54012113
61205320
7352602
oct173660
9105873
1063408
1143704
1230840
1322b27
1419172
1513bc3
hexf7b0

63408 has 20 divisors (see below), whose sum is σ = 163928. Its totient is φ = 21120.

The previous prime is 63397. The next prime is 63409. The reversal of 63408 is 80436.

It is not an unprimeable number, because it can be changed into a prime (63409) by changing a digit.

63408 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613 + ... + 708.

263408 is an apocalyptic number.

It is an amenable number.

63408 is an abundant number, since it is smaller than the sum of its proper divisors (100520).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81964).

63408 is a wasteful number, since it uses less digits than its factorization.

63408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 63408 is about 251.8094517686. The cubic root of 63408 is about 39.8762844226.

The spelling of 63408 in words is "sixty-three thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1321 2642 3963 5284 7926 10568 15852 21136 31704 63408