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667413 = 33191301
BaseRepresentation
bin10100010111100010101
31020220112000
42202330111
5132324123
622145513
75446545
oct2427425
91226460
10667413
1141648a
12282299
131a4a26
14135325
15d2b43
hexa2f15

667413 has 16 divisors (see below), whose sum is σ = 1041600. Its totient is φ = 421200.

The previous prime is 667379. The next prime is 667417. The reversal of 667413 is 314766.

667413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 667413 - 29 = 666901 is a prime.

It is a super-2 number, since 2×6674132 = 890880225138, which contains 22 as substring.

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

667413 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667417) 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, 138 + ... + 1163.

It is an arithmetic number, because the mean of its divisors is an integer number (65100).

2667413 is an apocalyptic number.

It is an amenable number.

667413 is a deficient number, since it is larger than the sum of its proper divisors (374187).

667413 is a wasteful number, since it uses less digits than its factorization.

667413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329 (or 1323 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 667413 is about 816.9534870481. The cubic root of 667413 is about 87.3906334273.

The spelling of 667413 in words is "six hundred sixty-seven thousand, four hundred thirteen".

Divisors: 1 3 9 19 27 57 171 513 1301 3903 11709 24719 35127 74157 222471 667413