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2528986 = 26611913
BaseRepresentation
bin1001101001011011011010
311202111010011
421221123122
51121411421
6130112134
730332065
oct11513332
94674104
102528986
111478079
12a1b64a
136a7155
1449b8dc
1534e4e1
hex2696da

2528986 has 8 divisors (see below), whose sum is σ = 3801204. Its totient is φ = 1261920.

The previous prime is 2528983. The next prime is 2528989. The reversal of 2528986 is 6898252.

It is an interprime number because it is at equal distance from previous prime (2528983) and next prime (2528989).

It can be written as a sum of positive squares in 2 ways, for example, as 2205225 + 323761 = 1485^2 + 569^2 .

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

It is a d-powerful number, because it can be written as 210 + 56 + 217 + 84 + 92 + 87 + 67 .

It is not an unprimeable number, because it can be changed into a prime (2528983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366 + ... + 2278.

22528986 is an apocalyptic number.

2528986 is a deficient number, since it is larger than the sum of its proper divisors (1272218).

2528986 is a wasteful number, since it uses less digits than its factorization.

2528986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576.

The product of its digits is 69120, while the sum is 40.

The square root of 2528986 is about 1590.2785919454. The cubic root of 2528986 is about 136.2434006287.

The spelling of 2528986 in words is "two million, five hundred twenty-eight thousand, nine hundred eighty-six".

Divisors: 1 2 661 1322 1913 3826 1264493 2528986