Search a number
-
+
1920046 = 27313151
BaseRepresentation
bin111010100110000101110
310121112210211
413110300232
5442420141
6105053034
722214542
oct7246056
93545724
101920046
1110a1617
1278717a
13522c2b
1437da22
1527dd81
hex1d4c2e

1920046 has 8 divisors (see below), whose sum is σ = 2919744. Its totient is φ = 946800.

The previous prime is 1920043. The next prime is 1920049. The reversal of 1920046 is 6400291.

It is an interprime number because it is at equal distance from previous prime (1920043) and next prime (1920049).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1919999 and 1920026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6430 + ... + 6721.

It is an arithmetic number, because the mean of its divisors is an integer number (364968).

21920046 is an apocalyptic number.

1920046 is a deficient number, since it is larger than the sum of its proper divisors (999698).

1920046 is a wasteful number, since it uses less digits than its factorization.

1920046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13226.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1920046 is about 1385.6572447759. The cubic root of 1920046 is about 124.2902928184.

The spelling of 1920046 in words is "one million, nine hundred twenty thousand, forty-six".

Divisors: 1 2 73 146 13151 26302 960023 1920046