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1268613 = 32314547
BaseRepresentation
bin100110101101110000101
32101110012200
410311232011
5311043423
643105113
713532403
oct4655605
92343180
101268613
11797145
12512199
13355578
14250473
151a0d43
hex135b85

1268613 has 12 divisors (see below), whose sum is σ = 1891968. Its totient is φ = 818280.

The previous prime is 1268599. The next prime is 1268621. The reversal of 1268613 is 3168621.

It is not a de Polignac number, because 1268613 - 26 = 1268549 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268623) 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 11 ways as a sum of consecutive naturals, for example, 1995 + ... + 2552.

It is an arithmetic number, because the mean of its divisors is an integer number (157664).

21268613 is an apocalyptic number.

It is an amenable number.

1268613 is a deficient number, since it is larger than the sum of its proper divisors (623355).

1268613 is a wasteful number, since it uses less digits than its factorization.

1268613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584 (or 4581 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1268613 is about 1126.3272171088. The cubic root of 1268613 is about 108.2537756454.

It can be divided in two parts, 1268 and 613, that added together give a palindrome (1881).

The spelling of 1268613 in words is "one million, two hundred sixty-eight thousand, six hundred thirteen".

Divisors: 1 3 9 31 93 279 4547 13641 40923 140957 422871 1268613