Search a number
-
+
1456790 = 25145679
BaseRepresentation
bin101100011101010010110
32202000100012
411203222112
5333104130
651120222
715245126
oct5435226
92660305
101456790
11905565
125a3072
133c010a
1429cc86
151db995
hex163a96

1456790 has 8 divisors (see below), whose sum is σ = 2622240. Its totient is φ = 582712.

The previous prime is 1456789. The next prime is 1456799. The reversal of 1456790 is 976541.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1456799) 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, 72830 + ... + 72849.

It is an arithmetic number, because the mean of its divisors is an integer number (327780).

21456790 is an apocalyptic number.

1456790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1456790 is a deficient number, since it is larger than the sum of its proper divisors (1165450).

1456790 is a wasteful number, since it uses less digits than its factorization.

1456790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145686.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 1456790 is about 1206.9755589903. The cubic root of 1456790 is about 113.3615174042.

Subtracting from 1456790 its reverse (976541), we obtain a square (480249 = 6932).

The spelling of 1456790 in words is "one million, four hundred fifty-six thousand, seven hundred ninety".

Divisors: 1 2 5 10 145679 291358 728395 1456790