Search a number
-
+
1930828 = 22482707
BaseRepresentation
bin111010111011001001100
310122002121011
413113121030
5443241303
6105215004
722261144
oct7273114
93562534
101930828
1110a9729
12791464
13527b03
14383924
1528216d
hex1d764c

1930828 has 6 divisors (see below), whose sum is σ = 3378956. Its totient is φ = 965412.

The previous prime is 1930823. The next prime is 1930879. The reversal of 1930828 is 8280391.

It is a self number, because there is not a number n which added to its sum of digits gives 1930828.

It is not an unprimeable number, because it can be changed into a prime (1930823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241350 + ... + 241357.

21930828 is an apocalyptic number.

It is an amenable number.

1930828 is a deficient number, since it is larger than the sum of its proper divisors (1448128).

1930828 is a wasteful number, since it uses less digits than its factorization.

1930828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482711 (or 482709 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1930828 is about 1389.5423707106. The cubic root of 1930828 is about 124.5225090080.

The spelling of 1930828 in words is "one million, nine hundred thirty thousand, eight hundred twenty-eight".

Divisors: 1 2 4 482707 965414 1930828