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1299485 = 51123627
BaseRepresentation
bin100111101010000011101
32110000120002
410331100131
5313040420
643504045
714021405
oct4752035
92400502
101299485
11808360
12528025
13366635
1425b805
151aa075
hex13d41d

1299485 has 8 divisors (see below), whose sum is σ = 1701216. Its totient is φ = 945040.

The previous prime is 1299457. The next prime is 1299491. The reversal of 1299485 is 5849921.

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

It is not a de Polignac number, because 1299485 - 212 = 1295389 is a prime.

It is a super-2 number, since 2×12994852 = 3377322530450, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11759 + ... + 11868.

It is an arithmetic number, because the mean of its divisors is an integer number (212652).

21299485 is an apocalyptic number.

It is an amenable number.

1299485 is a deficient number, since it is larger than the sum of its proper divisors (401731).

1299485 is a wasteful number, since it uses less digits than its factorization.

1299485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23643.

The product of its digits is 25920, while the sum is 38.

The square root of 1299485 is about 1139.9495602876. The cubic root of 1299485 is about 109.1248744196.

The spelling of 1299485 in words is "one million, two hundred ninety-nine thousand, four hundred eighty-five".

Divisors: 1 5 11 55 23627 118135 259897 1299485