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2699057 = 12972081
BaseRepresentation
bin1010010010111100110001
312002010102002
422102330301
51142332212
6133503345
731640654
oct12227461
95063362
102699057
111583929
12aa1b55
1373669a
1450389b
15384ac2
hex292f31

2699057 has 4 divisors (see below), whose sum is σ = 2702436. Its totient is φ = 2695680.

The previous prime is 2699051. The next prime is 2699087. The reversal of 2699057 is 7509962.

2699057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7509962 = 23754981.

It can be written as a sum of positive squares in 2 ways, for example, as 2119936 + 579121 = 1456^2 + 761^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2699057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2699057.

It is not an unprimeable number, because it can be changed into a prime (2699051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257 + ... + 2337.

It is an arithmetic number, because the mean of its divisors is an integer number (675609).

22699057 is an apocalyptic number.

It is an amenable number.

2699057 is a deficient number, since it is larger than the sum of its proper divisors (3379).

2699057 is a wasteful number, since it uses less digits than its factorization.

2699057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 2699057 is about 1642.8807016944. The cubic root of 2699057 is about 139.2314519419.

The spelling of 2699057 in words is "two million, six hundred ninety-nine thousand, fifty-seven".

Divisors: 1 1297 2081 2699057