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1490193 = 32232313
BaseRepresentation
bin101101011110100010001
32210201011100
411223310101
5340141233
651535013
715444405
oct5536421
92721140
101490193
11928671
125ba469
13402393
142ab105
151e6813
hex16bd11

1490193 has 18 divisors (see below), whose sum is σ = 2257346. Its totient is φ = 947232.

The previous prime is 1490183. The next prime is 1490207. The reversal of 1490193 is 3910941.

It can be written as a sum of positive squares in only one way, i.e., 804609 + 685584 = 897^2 + 828^2 .

It is not a de Polignac number, because 1490193 - 25 = 1490161 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 (1490183) 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 17 ways as a sum of consecutive naturals, for example, 4605 + ... + 4917.

21490193 is an apocalyptic number.

It is an amenable number.

1490193 is a deficient number, since it is larger than the sum of its proper divisors (767153).

1490193 is a wasteful number, since it uses less digits than its factorization.

1490193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1490193 is about 1220.7346148938. The cubic root of 1490193 is about 114.2214072000.

The spelling of 1490193 in words is "one million, four hundred ninety thousand, one hundred ninety-three".

Divisors: 1 3 9 23 69 207 313 529 939 1587 2817 4761 7199 21597 64791 165577 496731 1490193