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2680237 = 717101223
BaseRepresentation
bin1010001110010110101101
312001011121001
422032112231
51141231422
6133240301
731532050
oct12162655
95034531
102680237
11157077a
12a93091
1372ac51
144daa97
1537e227
hex28e5ad

2680237 has 16 divisors (see below), whose sum is σ = 3290112. Its totient is φ = 2131200.

The previous prime is 2680231. The next prime is 2680241. The reversal of 2680237 is 7320862.

It is a cyclic number.

It is not a de Polignac number, because 2680237 - 27 = 2680109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11908 + ... + 12130.

It is an arithmetic number, because the mean of its divisors is an integer number (205632).

22680237 is an apocalyptic number.

It is an amenable number.

2680237 is a deficient number, since it is larger than the sum of its proper divisors (609875).

2680237 is a wasteful number, since it uses less digits than its factorization.

2680237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2680237 is about 1637.1429381700. The cubic root of 2680237 is about 138.9070855684.

The spelling of 2680237 in words is "two million, six hundred eighty thousand, two hundred thirty-seven".

Divisors: 1 7 17 101 119 223 707 1561 1717 3791 12019 22523 26537 157661 382891 2680237