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1373085 = 33571453
BaseRepresentation
bin101001111001110011101
32120202112000
411033032131
5322414320
645232513
714446110
oct5171635
92522460
101373085
1185868a
12562739
13390c9c
1427a577
151c1c90
hex14f39d

1373085 has 32 divisors (see below), whose sum is σ = 2791680. Its totient is φ = 627264.

The previous prime is 1373081. The next prime is 1373087. The reversal of 1373085 is 5803731.

It is not a de Polignac number, because 1373085 - 22 = 1373081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

1373085 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373081) 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 31 ways as a sum of consecutive naturals, for example, 219 + ... + 1671.

It is an arithmetic number, because the mean of its divisors is an integer number (87240).

21373085 is an apocalyptic number.

1373085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1373085 is an abundant number, since it is smaller than the sum of its proper divisors (1418595).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1373085 is a wasteful number, since it uses less digits than its factorization.

1373085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474 (or 1468 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1373085 is about 1171.7870967032. The cubic root of 1373085 is about 111.1473572487.

The spelling of 1373085 in words is "one million, three hundred seventy-three thousand, eighty-five".

Divisors: 1 3 5 7 9 15 21 27 35 45 63 105 135 189 315 945 1453 4359 7265 10171 13077 21795 30513 39231 50855 65385 91539 152565 196155 274617 457695 1373085