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2043213 = 31740063
BaseRepresentation
bin111110010110101001101
310211210202120
413302311031
51010340323
6111443153
723236614
oct7626515
93753676
102043213
111176107
128264b9
13567003
143b287b
152a55e3
hex1f2d4d

2043213 has 8 divisors (see below), whose sum is σ = 2884608. Its totient is φ = 1281984.

The previous prime is 2043199. The next prime is 2043257. The reversal of 2043213 is 3123402.

Adding to 2043213 its reverse (3123402), we get a palindrome (5166615).

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

It is not a de Polignac number, because 2043213 - 26 = 2043149 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2043192 and 2043201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043313) 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, 19981 + ... + 20082.

It is an arithmetic number, because the mean of its divisors is an integer number (360576).

22043213 is an apocalyptic number.

It is an amenable number.

2043213 is a deficient number, since it is larger than the sum of its proper divisors (841395).

2043213 is a wasteful number, since it uses less digits than its factorization.

2043213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40083.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2043213 is about 1429.4100181543. The cubic root of 2043213 is about 126.8930631016.

The spelling of 2043213 in words is "two million, forty-three thousand, two hundred thirteen".

Divisors: 1 3 17 51 40063 120189 681071 2043213