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2668530 = 23588951
BaseRepresentation
bin1010001011011111110010
312000120112110
422023133302
51140343110
6133110150
731452654
oct12133762
95016473
102668530
1115629a7
12a88356
13725817
144d66d4
1537aa20
hex28b7f2

2668530 has 16 divisors (see below), whose sum is σ = 6404544. Its totient is φ = 711600.

The previous prime is 2668469. The next prime is 2668553. The reversal of 2668530 is 358662.

2668530 is nontrivially palindromic in base 14.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 88951 = 2668530 / (2 + 6 + 6 + 8 + 5 + 3 + 0).

It is a Curzon number.

It is an unprimeable number.

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, 44446 + ... + 44505.

It is an arithmetic number, because the mean of its divisors is an integer number (400284).

22668530 is an apocalyptic number.

2668530 is an abundant number, since it is smaller than the sum of its proper divisors (3736014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2668530 is a wasteful number, since it uses less digits than its factorization.

2668530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88961.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2668530 is about 1633.5635892122. The cubic root of 2668530 is about 138.7045464294.

The spelling of 2668530 in words is "two million, six hundred sixty-eight thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 88951 177902 266853 444755 533706 889510 1334265 2668530