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2668351 = 72931301
BaseRepresentation
bin1010001011011100111111
312000120021211
422023130333
51140341401
6133105251
731452310
oct12133477
95016254
102668351
111562854
12a88227
1372570a
144d6607
1537a951
hex28b73f

2668351 has 8 divisors (see below), whose sum is σ = 3062304. Its totient is φ = 2277600.

The previous prime is 2668343. The next prime is 2668357. The reversal of 2668351 is 1538662.

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 2668351 - 23 = 2668343 is a prime.

It is a d-powerful number, because it can be written as 219 + 6 + 66 + 87 + 35 + 5 + 1 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1401 + ... + 2701.

It is an arithmetic number, because the mean of its divisors is an integer number (382788).

22668351 is an apocalyptic number.

2668351 is a deficient number, since it is larger than the sum of its proper divisors (393953).

2668351 is a wasteful number, since it uses less digits than its factorization.

2668351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601.

The product of its digits is 8640, while the sum is 31.

The square root of 2668351 is about 1633.5088000987. The cubic root of 2668351 is about 138.7014450129.

The spelling of 2668351 in words is "two million, six hundred sixty-eight thousand, three hundred fifty-one".

Divisors: 1 7 293 1301 2051 9107 381193 2668351