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1490797 = 711191019
BaseRepresentation
bin101101011111101101101
32210201222201
411223331231
5340201142
651541501
715446230
oct5537555
92721881
101490797
11929070
125ba891
13402739
142ab417
151e6ab7
hex16bf6d

1490797 has 16 divisors (see below), whose sum is σ = 1958400. Its totient is φ = 1099440.

The previous prime is 1490789. The next prime is 1490807. The reversal of 1490797 is 7970941.

It is a cyclic number.

It is not a de Polignac number, because 1490797 - 23 = 1490789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 954 + ... + 1972.

It is an arithmetic number, because the mean of its divisors is an integer number (122400).

21490797 is an apocalyptic number.

It is an amenable number.

1490797 is a deficient number, since it is larger than the sum of its proper divisors (467603).

1490797 is a wasteful number, since it uses less digits than its factorization.

1490797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 1490797 is about 1220.9819818490. The cubic root of 1490797 is about 114.2368370607.

The spelling of 1490797 in words is "one million, four hundred ninety thousand, seven hundred ninety-seven".

Divisors: 1 7 11 19 77 133 209 1019 1463 7133 11209 19361 78463 135527 212971 1490797