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2050217 = 13179277
BaseRepresentation
bin111110100100010101001
310212011100222
413310202221
51011101332
6111535425
723266211
oct7644251
93764328
102050217
1111803a4
1282a575
1356a260
143b5241
152a7712
hex1f48a9

2050217 has 8 divisors (see below), whose sum is σ = 2338056. Its totient is φ = 1780992.

The previous prime is 2050211. The next prime is 2050219. The reversal of 2050217 is 7120502.

It can be written as a sum of positive squares in 4 ways, for example, as 502681 + 1547536 = 709^2 + 1244^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2050217 - 28 = 2049961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2050195 and 2050204.

It is not an unprimeable number, because it can be changed into a prime (2050211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4418 + ... + 4859.

It is an arithmetic number, because the mean of its divisors is an integer number (292257).

22050217 is an apocalyptic number.

It is an amenable number.

2050217 is a deficient number, since it is larger than the sum of its proper divisors (287839).

2050217 is a wasteful number, since it uses less digits than its factorization.

2050217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9307.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 2050217 is about 1431.8578840094. The cubic root of 2050217 is about 127.0378914361.

Adding to 2050217 its reverse (7120502), we get a palindrome (9170719).

The spelling of 2050217 in words is "two million, fifty thousand, two hundred seventeen".

Divisors: 1 13 17 221 9277 120601 157709 2050217