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2669493 = 31723079
BaseRepresentation
bin1010001011101110110101
312000121212010
422023232311
51140410433
6133114433
731455531
oct12135665
95017763
102669493
1115636a2
12a88a19
137260a8
144d6bc1
1537ae63
hex28bbb5

2669493 has 12 divisors (see below), whose sum is σ = 3782240. Its totient is φ = 1674432.

The previous prime is 2669477. The next prime is 2669497. The reversal of 2669493 is 3949662.

It is a happy number.

It is not a de Polignac number, because 2669493 - 24 = 2669477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2669497) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 673 + ... + 2406.

22669493 is an apocalyptic number.

It is an amenable number.

2669493 is a deficient number, since it is larger than the sum of its proper divisors (1112747).

2669493 is a wasteful number, since it uses less digits than its factorization.

2669493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116 (or 3099 counting only the distinct ones).

The product of its digits is 69984, while the sum is 39.

The square root of 2669493 is about 1633.8583169908. The cubic root of 2669493 is about 138.7212293240.

The spelling of 2669493 in words is "two million, six hundred sixty-nine thousand, four hundred ninety-three".

Divisors: 1 3 17 51 289 867 3079 9237 52343 157029 889831 2669493