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1490834 = 21375441
BaseRepresentation
bin101101011111110010010
32210202001002
411223332102
5340201314
651542002
715446312
oct5537622
92722032
101490834
119290a4
125ba902
13402767
142ab442
151e6ade
hex16bf92

1490834 has 8 divisors (see below), whose sum is σ = 2252988. Its totient is φ = 739840.

The previous prime is 1490833. The next prime is 1490843. The reversal of 1490834 is 4380941.

It can be written as a sum of positive squares in 2 ways, for example, as 1452025 + 38809 = 1205^2 + 197^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1490797 and 1490806.

It is not an unprimeable number, because it can be changed into a prime (1490833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2447 + ... + 2994.

21490834 is an apocalyptic number.

1490834 is a deficient number, since it is larger than the sum of its proper divisors (762154).

1490834 is a wasteful number, since it uses less digits than its factorization.

1490834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1490834 is about 1220.9971334938. The cubic root of 1490834 is about 114.2377821319.

The spelling of 1490834 in words is "one million, four hundred ninety thousand, eight hundred thirty-four".

Divisors: 1 2 137 274 5441 10882 745417 1490834