Search a number
-
+
1630832 = 24714561
BaseRepresentation
bin110001110001001110000
310001212002012
412032021300
5404141312
654542052
716601420
oct6161160
93055065
101630832
11a142a5
12667928
134513b8
14306480
15223322
hex18e270

1630832 has 20 divisors (see below), whose sum is σ = 3611376. Its totient is φ = 698880.

The previous prime is 1630829. The next prime is 1630841. The reversal of 1630832 is 2380361.

1630832 is nontrivially palindromic in base 15.

It is a super-2 number, since 2×16308322 = 5319226024448, which contains 22 as substring.

It is a zygodrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 1630798 and 1630807.

It is a congruent number.

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, 7169 + ... + 7392.

21630832 is an apocalyptic number.

It is an amenable number.

1630832 is an abundant number, since it is smaller than the sum of its proper divisors (1980544).

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

1630832 is a wasteful number, since it uses less digits than its factorization.

1630832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14576 (or 14570 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1630832 is about 1277.0403282591. The cubic root of 1630832 is about 117.7072124535.

The spelling of 1630832 in words is "one million, six hundred thirty thousand, eight hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 14561 29122 58244 101927 116488 203854 232976 407708 815416 1630832