Search a number
-
+
1404930 = 23546831
BaseRepresentation
bin101010111000000000010
32122101012110
411113000002
5324424210
650040150
714641002
oct5270002
92571173
101404930
1187a5aa
12579056
133a2627
14288002
151cb420
hex157002

1404930 has 16 divisors (see below), whose sum is σ = 3371904. Its totient is φ = 374640.

The previous prime is 1404919. The next prime is 1404937. The reversal of 1404930 is 394041.

It is a junction number, because it is equal to n+sod(n) for n = 1404897 and 1404906.

It is not an unprimeable number, because it can be changed into a prime (1404937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23386 + ... + 23445.

It is an arithmetic number, because the mean of its divisors is an integer number (210744).

21404930 is an apocalyptic number.

1404930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1404930 is an abundant number, since it is smaller than the sum of its proper divisors (1966974).

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

1404930 is a wasteful number, since it uses less digits than its factorization.

1404930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46841.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1404930 is about 1185.2974310273. The cubic root of 1404930 is about 112.0000531462. Note that the first 4 decimals are identical.

Adding to 1404930 its reverse (394041), we get a palindrome (1798971).

The spelling of 1404930 in words is "one million, four hundred four thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 46831 93662 140493 234155 280986 468310 702465 1404930