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2071317 = 3690439
BaseRepresentation
bin111111001101100010101
310220020022110
413321230111
51012240232
6112221233
723414553
oct7715425
93806273
102071317
111195236
1283a819
13576a41
143bcbd3
152adacc
hex1f9b15

2071317 has 4 divisors (see below), whose sum is σ = 2761760. Its totient is φ = 1380876.

The previous prime is 2071291. The next prime is 2071319. The reversal of 2071317 is 7131702.

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 not a de Polignac number, because 2071317 - 27 = 2071189 is a prime.

It is a super-2 number, since 2×20713172 = 8580708228978, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2071293 and 2071302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2071319) 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 3 ways as a sum of consecutive naturals, for example, 345217 + ... + 345222.

It is an arithmetic number, because the mean of its divisors is an integer number (690440).

22071317 is an apocalyptic number.

It is an amenable number.

2071317 is a deficient number, since it is larger than the sum of its proper divisors (690443).

2071317 is an equidigital number, since it uses as much as digits as its factorization.

2071317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690442.

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 2071317 is about 1439.2070733567. The cubic root of 2071317 is about 127.4722123219.

The spelling of 2071317 in words is "two million, seventy-one thousand, three hundred seventeen".

Divisors: 1 3 690439 2071317