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1302001 = 1578293
BaseRepresentation
bin100111101110111110001
32110011000021
410331313301
5313131001
643523441
714031631
oct4756761
92404007
101302001
1180a238
12529581
1336781c
1425c6c1
151aaba1
hex13ddf1

1302001 has 4 divisors (see below), whose sum is σ = 1310452. Its totient is φ = 1293552.

The previous prime is 1301959. The next prime is 1302017. The reversal of 1302001 is 1002031.

1302001 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1002031 = 1758943.

It can be written as a sum of positive squares in 2 ways, for example, as 331776 + 970225 = 576^2 + 985^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302001 - 211 = 1299953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1302061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3990 + ... + 4303.

It is an arithmetic number, because the mean of its divisors is an integer number (327613).

21302001 is an apocalyptic number.

It is an amenable number.

1302001 is a deficient number, since it is larger than the sum of its proper divisors (8451).

1302001 is an equidigital number, since it uses as much as digits as its factorization.

1302001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8450.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 1302001 is about 1141.0525842397. The cubic root of 1302001 is about 109.1952564502.

Adding to 1302001 its reverse (1002031), we get a palindrome (2304032).

The spelling of 1302001 in words is "one million, three hundred two thousand, one".

Divisors: 1 157 8293 1302001