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1147013 = 7163859
BaseRepresentation
bin100011000000010000101
32011021101222
410120002011
5243201023
640330125
712515030
oct4300205
92137358
101147013
1171384a
12473945
1331210a
1421c017
15179cc8
hex118085

1147013 has 4 divisors (see below), whose sum is σ = 1310880. Its totient is φ = 983148.

The previous prime is 1147009. The next prime is 1147021. The reversal of 1147013 is 3107411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1147013 - 22 = 1147009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1146982 and 1147000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147043) 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, 81923 + ... + 81936.

It is an arithmetic number, because the mean of its divisors is an integer number (327720).

21147013 is an apocalyptic number.

It is an amenable number.

1147013 is a deficient number, since it is larger than the sum of its proper divisors (163867).

1147013 is an equidigital number, since it uses as much as digits as its factorization.

1147013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163866.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 1147013 is about 1070.9869280248. The cubic root of 1147013 is about 104.6781680105.

The spelling of 1147013 in words is "one million, one hundred forty-seven thousand, thirteen".

Divisors: 1 7 163859 1147013