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1301613 = 32711601
BaseRepresentation
bin100111101110001101101
32110010110220
410331301231
5313122423
643521553
714030535
oct4756155
92403426
101301613
11809a15
125292b9
133675b1
1425c4c5
151aa9e3
hex13dc6d

1301613 has 8 divisors (see below), whose sum is σ = 1742976. Its totient is φ = 864000.

The previous prime is 1301603. The next prime is 1301617. The reversal of 1301613 is 3161031.

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

1301613 is an astonishing number since 1301613 = 13 + ... + 1613.

It is not a de Polignac number, because 1301613 - 25 = 1301581 is a prime.

1301613 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1301592 and 1301601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301617) 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 7 ways as a sum of consecutive naturals, for example, 13 + ... + 1613.

It is an arithmetic number, because the mean of its divisors is an integer number (217872).

21301613 is an apocalyptic number.

It is an amenable number.

1301613 is a deficient number, since it is larger than the sum of its proper divisors (441363).

1301613 is a wasteful number, since it uses less digits than its factorization.

1301613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1301613 is about 1140.8825531140. The cubic root of 1301613 is about 109.1844085403.

The spelling of 1301613 in words is "one million, three hundred one thousand, six hundred thirteen".

Divisors: 1 3 271 813 1601 4803 433871 1301613